In this task, you need to count the number of times the given letter appears in the given sentence.

[Q]: Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'
[A]: 2


[Q]: Sentence: 'there is a baseball game on and a few people are watching'. Find frequency of the letter 'i'
[A]: 2


[Q]: Sentence: 'a hot dog with a drink next to it, on a table'. Find frequency of the letter 'h'
[A]:
2