instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'bathroom scene with a black cat going behind the door'. Find frequency of the letter 'e'
answer:
4


question:
Sentence: 'a woman fully dressed as a geisha'. Find frequency of the letter 'm'
answer:
1


question:
Sentence: 'the desk has a laptop and monitor screen with a keyboard'. Find frequency of the letter 'i'
answer:

2