Who is Apollo from The Last Days of Socrates and what is their importance?

Apollo was the ancient Greek god, who was known for music and for light. He was reputed to be physically beautiful and kind, protective of his mother, and generous with his followers. Apollo delivered knowledge and wisdom, among other gifts, to those who were loyal to him. He is referred to early in the Apology because it is one of his priestess's that tells Chearephon that the answer to the question, "Is there another who is wiser than Socrates?" is "No."