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: 'a guy surfs a wave with his surfboard'. Find frequency of the letter 's'

A: 4
****
Q: Sentence: 'two suitcases in the back of a vehicle'. Find frequency of the letter 'u'

A:
1
****