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

Q: Sentence: 'seagulls sit on the posts of a seaside balcony by a clock tower'. Find frequency of the letter 'g'

A: 1
****
Q: Sentence: 'a small boat travels on the water next to the shore'. Find frequency of the letter 'a'

A: 5
****
Q: Sentence: 'a living room, with a laptop on the couch'. Find frequency of the letter 'o'

A:
5
****