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

Q: Sentence: 'there is a baseball game on and a few people are watching'. Find frequency of the letter 'i'

A: 2
****
Q: Sentence: 'the receipts from a meal at a restaurant are for  a sandwich, chili, and apple'. Find frequency of the letter 'u'

A: 1
****
Q: Sentence: 'a child flies his kite on the beach'. Find frequency of the letter 'h'

A:
4
****