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

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

[EX Q]: Sentence: 'the skateboarder is jumping over a huge statue of a shoe'. Find frequency of the letter 'i'
[EX A]: 2

[EX Q]: Sentence: 'antique black and white photograph of a man and his prize cow'. Find frequency of the letter 'f'
[EX A]:
1