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

Q: Sentence: 'a woman holds some baked goods at the convention'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'a notebook and pen are left on a park bench'. Find frequency of the letter 'e'

A: 5
****
Q: Sentence: 'the nose of a white plane in parking lot next to cars'. Find frequency of the letter 'h'

A:
2
****