#include <bits/stdc++.h>
using namespace std;
int main(void){
    int h,w;
    cin>>h>>w;
    vector<string> s(h);
    for(int i=0;i<h;i++){
        cin>>s[i];
    }
    vector<array<int,2>>ans;
    vector<vector<int>>imos(h+1,vector<int>(w+1,0));
    for(int i=0;i<h;i++){
        for(int j=0;j<w;j++){
            if(s[i][j]=='.'){
                if((i==0||s[i-1][j]=='#')&&(i!=h-1&&s[i+1][j]=='.')){
                    imos[i+1][j+1]=1;
                }else if((j==0||s[i][j-1]=='#')&&(j!=w-1&&s[i][j+1]=='.')){
                    imos[i+1][j+1]=1;
                }else if((i==0||s[i-1][j]=='#')&&(i==h-1||s[i+1][j]=='#')&&(j==0||s[i][j-1]=='#')&&(j==w-1||s[i][j+1]=='#')){
                    imos[i+1][j+1]=1;
                }
            }
        }
    }
    vector<vector<int>>memo=imos;
    for(int i=0;i<=h;i++){
        for(int j=0;j<w;j++){
            imos[i][j+1]+=imos[i][j];
        }
    }
    for(int j=0;j<=w;j++){
        for(int i=0;i<h;i++){
            imos[i+1][j]+=imos[i][j];
        }
    }
    // for(int i=0;i<=h;i++){
    //     for(int j=0;j<=w;j++){
    //         cout<<imos[i][j]<<" ";
    //     }
    //     cout<<endl;
    // }
    int q;
    cin>>q;
    while(q--){
        int a,b,c,d;
        cin>>a>>b>>c>>d;
        a--,b--,c--,d--;
        int ans=imos[c+1][d+1]-imos[c+1][b]-imos[a][d+1]+imos[a][b];
        if(a==c&&b==d){
            cout<<(s[a][b]=='.')<<endl;
            continue;
        }else if(a==c){
            int i=a;
            for(int j=b;j<=d;j++){
                ans-=memo[i+1][j+1];
                if(s[i][j]=='.'){
                    if((j==b||s[i][j-1]=='#')){
                        ans++;
                    }
                }
            }
        }else if(b==d){
            int j=b;
            for(int i=a;i<=c;i++){
                ans-=memo[i+1][j+1];
                if(s[i][j]=='.'){
                    if((i==a||s[i-1][j]=='#')){
                        ans++;
                    }
                }
            }
        }else{
            auto check = [&](int i,int j){
                ans-=memo[i+1][j+1];
                if(s[i][j]=='.'){
                    if((i==a||s[i-1][j]=='#')&&(i!=c&&s[i+1][j]=='.')){
                        ans++;
                    }else if((j==b||s[i][j-1]=='#')&&(j!=d&&s[i][j+1]=='.')){
                        ans++;
                    }else if((i==a||s[i-1][j]=='#')&&(i==c||s[i+1][j]=='#')&&(j==b||s[i][j-1]=='#')&&(j==d||s[i][j+1]=='#')){
                        ans++;
                    }
                }
            };
            for(int i=a;i<=c;i++){
                check(i,b);
                check(i,d);
            }
            for(int i=b+1;i<d;i++){
                check(a,i);
                check(c,i);
            }
        }
        cout<<ans<<endl;
    }
    return 0;
}