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

Sentence: 'red chair next to side table with lamp in residential home'. Find frequency of the letter 'm'
2

Sentence: 'two giraffes standing next to some trees'. Find frequency of the letter 'f'
2

Sentence: 'a white table and flowers next to a layered cake'. Find frequency of the letter 'l'

3