In this task, you need to count the number of times the given letter appears in the given sentence.
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Question: Sentence: 'a bowl of vegetables in a soup like substance next to a spoon'. Find frequency of the letter 'a'

Answer: 5

Question: Sentence: 'a batter, catcher and umpire waiting for the pitch and a major league baseball game'. Find frequency of the letter 'c'

Answer: 3

Question: Sentence: 'an egg on top of half a pizza'. Find frequency of the letter 'f'

Answer:
2