instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a woman holds the reins of a saddled horse'. Find frequency of the letter 'm'
answer:
1


question:
Sentence: 'a woman at a table checking her cell phone'. Find frequency of the letter 'a'
answer:
5


question:
Sentence: 'a long-haired grey cat sits on a park bench'. Find frequency of the letter 'h'
answer:

2