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

[Q]: Sentence: 'there is a zebra that is walking enar a car'. Find frequency of the letter 'r'
[A]: 4

[Q]: Sentence: 'a man holding a brown paper bag kite'. Find frequency of the letter 'b'
[A]: 2

[Q]: Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'
[A]:
1