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

[Q]: Sentence: 'a display case filled with lots of different clocks'. Find frequency of the letter 'w'
[A]: 1


[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: 'that glass vase of pink flowers are beautiful'. Find frequency of the letter 'a'
[A]:
5