user: Question: When the nominee(s) is John Wells what is the episode for a year before 2004?
Columns: ['Year', 'Category', 'Nominee(s)', 'Episode', 'Result']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1996.0, '60 Minute Category', 'John Wells', '"The Healers"', 'Nominated']
SQL:

assistant: SELECT "Episode" FROM "Table" WHERE "Year" < 2004.0 AND "Nominee(s)" = 'John Wells';