In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'a glass vase sits between two statues'. Find frequency of the letter 'o'

Answer: 1


Question: Sentence: 'a piece of bread stuffed with meat and vegetables'. Find frequency of the letter 's'

Answer: 2


Question: Sentence: 'the bicyclist is doing a trick on his black bike'. Find frequency of the letter 'i'

Answer:
7