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

[Q]: Sentence: 'a little boy standing near a couch and a table'. Find frequency of the letter 'i'
[A]: 2


[Q]: Sentence: 'there is an old stove with old pots on the burners'. Find frequency of the letter 't'
[A]: 5


[Q]: Sentence: 'a burning wood stove has a tea pot sitting on top of it and is full of wood'. Find frequency of the letter 'a'
[A]:
5