instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'two baseball players high five each other during a game'. Find frequency of the letter 'y'
answer:
1


question:
Sentence: 'a group of tennis players on a tennis court'. Find frequency of the letter 'o'
answer:
4


question:
Sentence: 'the child is waving a small flag as she stands near two women'. Find frequency of the letter 'g'
answer:

2