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

Q: Sentence: 'an image of a street sign with a corner restaurant'. Find frequency of the letter 'u'

A: 1
****
Q: Sentence: 'a man holding a brown paper bag kite'. Find frequency of the letter 'b'

A: 2
****
Q: Sentence: 'a bunch of cupcakes that are on a pan'. Find frequency of the letter 'p'

A:
2
****