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

Q: Sentence: 'a woman cross country skiing in a competition'. Find frequency of the letter 's'

A: 3
****
Q: Sentence: 'a group of people standing around a table filled with assorted electronic devices'. Find frequency of the letter 'w'

A: 1
****
Q: Sentence: 'a father and son during a birthday of one of them'. Find frequency of the letter 'u'

A:
1
****