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

[Q]: Sentence: 'one woman holding a video game controller and standing next to another woman'. Find frequency of the letter 't'
[A]: 5


[Q]: Sentence: 'a bedroom with a neatly made bed and a laptop'. Find frequency of the letter 'l'
[A]: 2


[Q]: Sentence: 'a couple of brown horses pulling a wagon down a road'. Find frequency of the letter 'e'
[A]:
2