instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a little boy sitting on a bed in a bedroom'. Find frequency of the letter 'e'
answer:
3

question:
Sentence: 'a piece of bread stuffed with meat and vegetables'. Find frequency of the letter 's'
answer:
2

question:
Sentence: 'a view of a city at night time, with many cars below'. Find frequency of the letter 'o'
answer:
2