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

Q: Sentence: 'a dog has found a rather large stick for playing fetch'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'the skateboarder has on red and black sneakers and is riding a skateboard'. Find frequency of the letter 'g'

A: 1
****
Q: Sentence: 'a few pictures of a small cluttered home'. Find frequency of the letter 'm'

A:
2
****