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

[Q]: Sentence: 'there is a stop sign that has a reflection in a puddle'. Find frequency of the letter 'e'
[A]: 5


[Q]: Sentence: 'a bathroom with a sink, counter top, and mirror is shown'. Find frequency of the letter 'i'
[A]: 4


[Q]: Sentence: 'a view of a bedpost, desk, two windows, and a computer'. Find frequency of the letter 'd'
[A]:
4