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

Q: Sentence: 'a silver train crossing the road on tracks'. Find frequency of the letter 'r'

A: 5
****
Q: Sentence: 'older man getting ready to swing his bat at a ball on a stand in front of a group of viewers'. Find frequency of the letter 'n'

A: 7
****
Q: Sentence: 'a young woman sitting on concrete stairs using her cell phone'. Find frequency of the letter 'i'

A:
4
****