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

[Q]: Sentence: 'the child is waving a small flag as she stands near two women'. Find frequency of the letter 'g'
[A]: 2


[Q]: Sentence: 'a variety of a different type of vegetables'. Find frequency of the letter 't'
[A]: 4


[Q]: Sentence: 'a plate of stir fried vegetables has a fork in it'. Find frequency of the letter 'i'
[A]:
4