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

Q: Sentence: 'an audience watches as a bird spreads its wings'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'a bird is standing on the ledge of the building'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'a pizza sitting on a table with several beverages'. Find frequency of the letter 'l'

A:
2
****