user: Question: What is GTO Winning Team Mike Keyser's RND number?
Columns: ['Rnd', 'Circuit', 'GTO Winning Team', 'GTU Winning Team', 'TO Winning Team', 'TU Winning Team', 'Results']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Sebring', '#59 Dave Helmick', '#27 Don Lindley', '#17 Vince Gimondo', '#112 Jim Grob Racing', 'results']
SQL:

assistant: SELECT "Rnd" FROM "Table" WHERE "GTO Winning Team" = 'Mike Keyser';