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

[Q]: Sentence: 'a bowl of granola with raspberries and honey on top with a spoon'. Find frequency of the letter 'w'
[A]: 3


[Q]: Sentence: 'man is snow gear and skis skiing in the snow'. Find frequency of the letter 'i'
[A]: 5


[Q]: Sentence: 'a close up of a woman holding a cell phone'. Find frequency of the letter 'h'
[A]:
2