instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a room with a big screen television and a couch'. Find frequency of the letter 'h'
answer:
2

question:
Sentence: 'two baseball players high five each other during a game'. Find frequency of the letter 'y'
answer:
1

question:
Sentence: 'a man holding a laptop on his leg while doing a task'. Find frequency of the letter 's'
answer:
2