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

Q: Sentence: 'a double parking meter is decorated with a picture of a girl with wings on her feet'. Find frequency of the letter 'r'

A: 6
****
Q: Sentence: 'a toilet of some sort near a sink of some sort'. Find frequency of the letter 'o'

A: 7
****
Q: Sentence: 'a man in blue shorts holding a wooden surfboard'. Find frequency of the letter 'm'

A:
1
****