In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'a social occasion of people are uncovered before the open day'. Find frequency of the letter 'c'

Answer: 4


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

Answer: 1


Question: Sentence: 'a group of people are playing soccer on a beach'. Find frequency of the letter 'l'

Answer:
2