6
Multiple answers
6
Who won [sporting championship event] in [year]?
6
Generic: Set my [thermostat name] temperature to 70 (* requires compatible smart thermostat)
6
*set the "ringtone" in the app
5
How old is [person name]? (Any person with a Wikipedia entry)
EchoTricks.com

Echo Tricks is the world's largest collection of known Alexa commands (and easter eggs) for the Amazon Echo. Follow us on twitter @echotricks .

For more information on Amazon Echo, visit the Love My Echo blog.