user: ### NOW ANSWER:
Question: When Mark O'Meara was the senior player champion in a year greater than 1998, who was the tradition?
Columns: ['Year', 'Senior PGA Championship', 'The Tradition', 'Senior Players Championship', 'U.S. Senior Open', 'Senior British Open']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2013.0, 'Kōki Idoki', 'David Frost', 'Kenny Perry (1/2)', 'Kenny Perry (2/2)', 'Mark Wiebe']
SQL:

assistant: SELECT "The Tradition" FROM "Table" WHERE "Year" > 1998.0 AND "Senior Players Championship" = 'Mark O''Meara';