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

Q: Sentence: 'a plane with smoke coming from the tips of both wings'. Find frequency of the letter 'c'

A: 1
****
Q: Sentence: 'a woman and a child walking down a street with a kite'. Find frequency of the letter 'n'

A: 4
****
Q: Sentence: 'there is a male surfer in the ocean riding a wave'. Find frequency of the letter 'r'

A:
4
****