In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'two giraffes, one standing and one laying down'. Find frequency of the letter 'g'

Answer: 3

Question: Sentence: 'a man with glasses adjusting his tie in a mirror'. Find frequency of the letter 's'

Answer: 5

Question: Sentence: 'the man is hitting the baseball during the game'. Find frequency of the letter 'h'

Answer:
4