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 person does a trick on a ramp on a snowboard'. Find frequency of the letter 's'

A: 3
****
Q: Sentence: 'woman riding a horse with crop in her hand'. Find frequency of the letter 'i'

A:
4
****