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

Q: Sentence: 'a jet flying through the clear blue sky'. Find frequency of the letter 'g'

A: 2
****
Q: Sentence: 'a man standing on a tennis court holding a racquet'. Find frequency of the letter 's'

A: 2
****
Q: Sentence: 'a young girl holding a small monkey and an umbrella'. Find frequency of the letter 's'

A:
1
****