In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'a stop sign near a rail road crossing sign'. Find frequency of the letter 'g'

A: 3
****
Q: Sentence: 'one woman is arranging the other woman's hair'. Find frequency of the letter 'o'

A: 4
****
Q: Sentence: 'a bench on the shore of a snow-covered frozen lake'. Find frequency of the letter 'e'

A:
7
****