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 bird is standing on the ledge of the building'. Find frequency of the letter 't'

Answer: 3


Question: Sentence: 'oranges are sitting in a bowl on a table'. Find frequency of the letter 'a'

Answer: 5


Question: Sentence: 'a large elephant standing next to a wire fence'. Find frequency of the letter 'l'

Answer:
2