In this task, you need to count the number of times the given letter appears in the given sentence.
--------
Question: Sentence: 'flower in a vase full of water sitting on a stand '. Find frequency of the letter 'l'

Answer: 3


Question: Sentence: 'there is a woman pointing at something with her dog'. Find frequency of the letter 'i'

Answer: 5


Question: Sentence: 'luggage sitting on a bed in a hotel room'. Find frequency of the letter 'g'

Answer:
4