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

Q: Sentence: 'a white police vehicle parked on a paved street'. Find frequency of the letter 'a'

A: 4
****
Q: Sentence: 'two little girls playing with a bat and a tennis ball'. Find frequency of the letter 'w'

A: 2
****
Q: Sentence: 'a girl playing a video game in the living room'. Find frequency of the letter 'h'

A:
1
****