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

Sentence: 'a plane with smoke coming from the tips of both wings'. Find frequency of the letter 'c'
1

Sentence: 'the child is waving a small flag as she stands near two women'. Find frequency of the letter 'g'
2

Sentence: 'a building with a steeple and a clock at the top of the steeple'. Find frequency of the letter 'g'

1