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

Q: Sentence: 'bathroom scene with a black cat going behind the door'. Find frequency of the letter 'e'

A: 4
****
Q: Sentence: 'a baby elephant walks beside an adult elephant along a post and cable'. Find frequency of the letter 'l'

A: 6
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Q: Sentence: 'a row of parked single and double decker buses'. Find frequency of the letter 'w'

A:
1
****