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

Q: Sentence: 'a few giraffes standing in a field looking around'. Find frequency of the letter 'e'

A: 3
****
Q: Sentence: 'a bus with two floors belonging to london country'. Find frequency of the letter 't'

A: 4
****
Q: Sentence: 'there is a woman sitting on a bench in the field'. Find frequency of the letter 'a'

A:
3
****