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

[Q]: Sentence: 'salad and vegetables with me on top of plate'. Find frequency of the letter 'o'
[A]: 3


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


[Q]: Sentence: 'a photo bomb picture of a man holding a laptop'. Find frequency of the letter 'o'
[A]:
6