instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'
answer:
1


question:
Sentence: 'a young man with glasses on is taking a big bite'. Find frequency of the letter 's'
answer:
4


question:
Sentence: 'a close up of an air plane wing'. Find frequency of the letter 'e'
answer:

2