instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a man swinging a bat while playing baseball'. Find frequency of the letter 'm'
answer:
1


question:
Sentence: 'a bird on a tree is flapping its wings'. Find frequency of the letter 'o'
answer:
1


question:
Sentence: 'a young man squatting next to a brick wall'. Find frequency of the letter 'q'
answer:

1