def count(a, query):
	n = len(a)
	freq = {}
	
	for x in a:
		if x in freq:
			freq[x]+=1
		else:
			freq[x] = 1
	
	if query in freq:
		return freq[query]
	return 0

a = [1,2,2,5,4,5,6,7,6]
query = 5
ans = count(a, query)
print('Frequency is: ', ans)