user: Question: Who won the season of 1998?
Columns: ['Year', 'Premier', 'Runner Up', 'Scores', 'Venue', 'Crowd', 'Margin', 'Winner Season', 'Runner Up Season']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real', 'text', 'text']
Sample row: [1988.0, 'Hawthorn', 'Geelong', '10.10 (70) – 9.13 (67)', 'Waverley Park', 35803.0, 3.0, 'Premier', '9th']
SQL:

assistant: SELECT "Winner Season" FROM "Table" WHERE "Year" = 1998.0;