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

[Q]: Sentence: 'a black horse with a white dot on its forehead'. Find frequency of the letter 't'
[A]: 4


[Q]: Sentence: 'a full plate of food that includes rice and broccoli and carrots'. Find frequency of the letter 's'
[A]: 2


[Q]: Sentence: 'a bathroom with wood floors and a stained glass window'. Find frequency of the letter 'a'
[A]:
6