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

[Q]: Sentence: 'a pizza pie sitting on a wooden table with tongs'. Find frequency of the letter 't'
[A]: 5


[Q]: Sentence: 'a woman is playing an interactive video game'. Find frequency of the letter 't'
[A]: 2


[Q]: Sentence: 'an asian man browsing fruit in an outdoor market'. Find frequency of the letter 'i'
[A]:
4