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

Sentence: 'a close up of a plate with a whole carrot'. Find frequency of the letter 'w'
2

Sentence: 'there is an old stove with old pots on the burners'. Find frequency of the letter 't'
5

Sentence: 'two globes and two balls on top of a table'. Find frequency of the letter 'e'

2