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

Q: Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'

A: 1
****
Q: Sentence: 'oranges are sitting in a bowl on a table'. Find frequency of the letter 'a'

A: 5
****
Q: Sentence: 'young boy in red shirt taking swing at ball in park area'. Find frequency of the letter 'e'

A:
2
****