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

Q: Sentence: 'a dog laying on the back of a boat in the water'. Find frequency of the letter 't'

A: 4
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Q: Sentence: 'a person riding a skate board on a city street'. Find frequency of the letter 'a'

A: 5
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Q: Sentence: 'carrots, leeks, parsley, spinach, potatoes, garlic, turnips, potatoes, and sweet potatoes on a wooden table'. Find frequency of the letter 'd'

A:
2
****