#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;
 
int cmp(const void *a, const void *b) {
	return (*(int*)a - *(int*)b);}
 
int main() {
	int t, k, n, a[105], ans;
	scanf("%d", &t);
	while(t--) {
		scanf("%d", &k);
		for(int i=0; i<k; i++) scanf("%d", &a[i]);
		scanf("%d", &n); 
		ans=a[n-1];
		qsort(a, k, sizeof(int), cmp);
		for(int i=0; i<k; i++) if(ans==a[i]) printf("%d\n", i+1);
	}
	return 0;
}
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