In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'four men standing around two pizzas in a conference room'. Find frequency of the letter 't'

Answer: 2


Question: Sentence: 'one woman is arranging the other woman's hair'. Find frequency of the letter 'o'

Answer: 4


Question: Sentence: 'a man with a wet suit on holding a surfboard'. Find frequency of the letter 'e'

Answer:
1