#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#define rd_init() char*rp=({char*mmap();mmap(0l,1l<<25,1,2,0,0ll);})
#define rd() ({int _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;})
#define WTHI(v) {unsigned _z=v,_n=0;long _d=0;while(++_n,_d=_d<<8|0x30|_z%10,_z/=10);*(long*)wp=_d;wp+=_n;}
#define wt(v) if(v>=100000000){WTHI(v/10);*wp++=v%10+'0';}else{WTHI(v);}
#define reps(v,s,e) for(typeof(e)v=s;v<e;++v)
#define repeat(e) for(typeof(e)_=e;_--;)

char wbuf[1<<25];
int b[1000000];

int main(){
	rd_init();
	int R=rd();
	int n=rd();
	repeat(n){
		int a=rd();
		b[a]+=1;
	}
	reps(i,1,R){
		b[i]+=b[i-1];
	}
	int q=rd();
	char*wp=wbuf;
	repeat(q){
		int l=rd()-1;
		int r=rd();
		int v=b[r%R]+r/R*n;
		if(l>=0){
			v-=b[l%R]+l/R*n;
		}
		wt(v);
		*wp++='\n';
	}
	write(1,wbuf,wp-wbuf);
	_exit(0);
}