In this task, you need to count the number of times the given letter appears in the given sentence.

[Q]: Sentence: 'two women standing next to each other holding tennis rackets'. Find frequency of the letter 't'
[A]: 7

[Q]: Sentence: 'a railroad train pulling up to the train platform'. Find frequency of the letter 'o'
[A]: 3

[Q]: Sentence: 'an all girl crowd with one extra excited girl in the middle holding a football, looks like a goalie to me'. Find frequency of the letter 'a'
[A]:
7