In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'a little boy standing near a couch and a table'. Find frequency of the letter 'i'

Answer: 2


Question: Sentence: 'a car accident has slowed traffic as a clean up crew works'. Find frequency of the letter 'f'

Answer: 2


Question: Sentence: 'a man paddle boards near the shore while birds fly nearby'. Find frequency of the letter 'm'

Answer:
1