user: Question: What were the performance lengths in the 3000 m events in and after 2003?
Columns: ['Discipline', 'Season', 'Performance', 'Place', 'Date']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['1500 m', 2004.0, '3:58:28', 'Moscow, Russia', 'May 30, 2004']
SQL:

assistant: SELECT "Performance" FROM "Table" WHERE "Season" > 2003.0 AND "Discipline" = '3000 m';