In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'a white and blue plate topped with meat and a salad'. Find frequency of the letter 'u'

Answer: 1


Question: Sentence: 'a bird outside standing on a table looking up'. Find frequency of the letter 'b'

Answer: 2


Question: Sentence: 'looking into a sunroom from a kitchen with a gas stove'. Find frequency of the letter 'e'

Answer:
2