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

Q: Sentence: 'a woman holds the reins of a saddled horse'. Find frequency of the letter 'm'

A: 1
****
Q: Sentence: 'a man on stiltz is standing under a pink umbrella'. Find frequency of the letter 's'

A: 3
****
Q: Sentence: 'a stuffed teddy bear of some sort laid to rest'. Find frequency of the letter 'a'

A:
3
****