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

Q: Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'a couple of boys in a field playing baseball'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'three people on a beach flying a kite'. Find frequency of the letter 'f'

A:
1
****
