instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'the skateboarder has on red and black sneakers and is riding a skateboard'. Find frequency of the letter 'g'
answer:
1


question:
Sentence: 'a railroad train pulling up to the train platform'. Find frequency of the letter 'o'
answer:
3


question:
Sentence: 'female appears to be upset with something having to do with her computer'. Find frequency of the letter 'h'
answer:

5