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

Q: Sentence: 'three men in military suits are sitting on a bench,'. Find frequency of the letter 'a'

A: 3
****
Q: Sentence: 'a man walking a large elephant down a dirt road'. Find frequency of the letter 'g'

A: 2
****
Q: Sentence: 'there are wood cabinets and a white stove in this kitchen'. Find frequency of the letter 'h'

A:
4
****