How many times did stone cold win the royal rumble?

Stone Cold Steve Austin won six WWE Championships in his career (#1 vs Shawn Michaels, Wrestlemania XIV, #2 vs Kane, RAW is WAR (June 29, 1998), #3 vs The Rock, Wrestlemania XV, #4 vs The Undertaker, RAW is WAR (June 28, 1999), #5 vs The Rock, Wrestlemania X-Seven and #6 vs Kurt Angle, Raw (October 8, 2001).