user: Question: Which 3rd round has a 1st round of —?
Columns: ['Season', '1st round', '2nd round', '3rd round', 'Finals']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2003–04', 'Out of playoffs.', 'Out of playoffs.', 'Out of playoffs.', 'Out of playoffs.']
SQL:

assistant: SELECT "3rd round" FROM "Table" WHERE "1st round" = '—';