What is who won the 2011 royal rumble?

The winner of the 2011 Royal Rumble was Alberto Del Rio. He entered the match as the 38th participant and eliminated Santino Marella to win the match. This victory earned him a shot at the WWE Championship at WrestleMania 27. Del Rio went on to face Edge for the title at WrestleMania 27, but was unsuccessful in his attempt to win the championship.