user: Question: What episode after 1998 had John Wells as the nominee?
Columns: ['Year', 'Category', 'Nominee(s)', 'Episode', 'Result']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1996.0, 'Episodic Drama', 'Lance Gentile', '"Love\'s Labour Lost"', 'Won']
SQL:

assistant: SELECT "Episode" FROM "Table" WHERE "Year" > 1998.0 AND "Nominee(s)" = 'John Wells';