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 gray elephant is in a grassy field'. Find frequency of the letter 'e'

A: 3
****
Q: Sentence: 'a man is taking a mirror image of himself'. Find frequency of the letter 't'

A:
1
****