March Madness trivia: How much do you know about the NCAA tournament?

— -- On the ABC News app? Click HERE to watch this interactive video.

March Madness kicked off this month, but how much do Americans really know about the college basketball tournament?

Take the interactive quiz above to test your knowledge, and play against people ABC News recently quizzed in New York City's Riverside Park.

Questions in the quiz include:

Which song is traditionally played at the end of every NCAA tournament?
Which team has won the most NCAA championships with 11 wins?
How many teams play in the March Madness tournament?
Which Disney character is commonly used to refer to a team in the tournament?
Which NCAA team is the lowest seed to win the national title?