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

[Q]: Sentence: 'some food on plates next to each other on a table'. Find frequency of the letter 'e'
[A]: 6


[Q]: Sentence: 'a woman fully dressed as a geisha'. Find frequency of the letter 'm'
[A]: 1


[Q]: Sentence: 'motorcycle driver turning into parking lot of tim hortons restaurant'. Find frequency of the letter 'o'
[A]:
7