instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a group of people standing around a table filled with assorted electronic devices'. Find frequency of the letter 'w'
answer:
1


question:
Sentence: 'a man and a woman are walking down the street with an umbrella over their heads'. Find frequency of the letter 'w'
answer:
4


question:
Sentence: 'some people are holding their dogs and posing for a picture'. Find frequency of the letter 'a'
answer:

3