instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a red stop sign with street signs above it'. Find frequency of the letter 't'
answer:
5


question:
Sentence: 'a person holding a wine glass in one hand and bread sticks in the other'. Find frequency of the letter 'd'
answer:
4


question:
Sentence: 'a woman getting ready to hit a tennis ball coming her direction'. Find frequency of the letter 'l'
answer:

2