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

Q: Sentence: 'a baseball themed birthday cake is on a serving tray'. Find frequency of the letter 'g'

A: 1
****
Q: Sentence: 'a mixed bouquet of flowers in a glass vase set before a window'. Find frequency of the letter 'w'

A: 3
****
Q: Sentence: 'a man that has a sink and a t.v. on the wall'. Find frequency of the letter 'a'

A:
8
****