#include<bits/stdc++.h>
using namespace std;
int main(){
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        int a[n+1];
        for(int i=0; i<n; i++) cin>>a[i];
        int k; cin>>k;
        k--; //To convert 1-based indexing to 0-based indexing.
        int temp=a[k];
        //cout<<temp<<endl;
        sort(a,a+n);
        int ind;
        for(int i=0; i<n; i++){
            if(a[i]==temp){
                ind=i;
                break;
            } 
        }
        ind++; // To again convert to 1-based indexing
        cout<<ind<<endl;
    }
}

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3
4
1 3 4 2
2
5
1 2 3 9 4
5
5
1 2 3 9 4 
1