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

[Q]: Sentence: 'a family out snow skiing on a blustery day'. Find frequency of the letter 'i'
[A]: 3


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


[Q]: Sentence: 'a man standing outside holding on to his bicycle'. Find frequency of the letter 'h'
[A]:
2