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

Q: Sentence: 'a metallic stove top oven inside of a wooden kitchen'. Find frequency of the letter 'v'

A: 2
****
Q: Sentence: 'town clocks affixed to a tall, brick building'. Find frequency of the letter 'r'

A: 1
****
Q: Sentence: 'variety of wines in glasses await a tasting for a man and woman'. Find frequency of the letter 'e'

A:
3
****