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

Input: Consider Input: Sentence: 'a long row of tables displaying lots of fruit'. Find frequency of the letter 'o'

Output: 5


Input: Consider Input: Sentence: 'there is a stop sign that has a reflection in a puddle'. Find frequency of the letter 'e'

Output: 5


Input: Consider Input: Sentence: 'a bathroom sink and toilet are in a black setting'. Find frequency of the letter 'g'


Output: 1