In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'slices of orange are arranged on a plate'. Find frequency of the letter 's'

Answer: 2


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

Answer: 4


Question: Sentence: 'lots of people flying kites on a beach'. Find frequency of the letter 'n'

Answer:
2