CREATE TABLE table_16951 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

What's the winner of the Painewebber Invitational tournament?
SELECT "Winner" FROM table_16951 WHERE "Tournament" = 'PaineWebber Invitational'
SELECT "Winner" FROM "table_16951" WHERE "Tournament" = 'PaineWebber Invitational'