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

Q: Sentence: 'a view from a bathroom shows an open door'. Find frequency of the letter 'o'

A: 7
****
Q: Sentence: 'a gray airplane with metal petals on the wings takes off from an airport'. Find frequency of the letter 'i'

A: 4
****
Q: Sentence: 'a gas range with a microwave oven mounted overhead'. Find frequency of the letter 'm'

A:
2
****