Question: The Red Pian Tour by Sir Elton John originated at a theatre that seats how many people?
Sentence (from "The Colosseum at Caesars Palace"): Deemed the "Home of the Greatest Entertainers in the World", the theatre hosts numerous residency shows by Celine Dion, Elton John, Rod Stewart, Cher, Bette Midler, Shania Twain, and Mariah Carey.
Relevant evidence: No