user: Question: Who was the runner up before 2007?
Columns: ['Season', 'Champion', 'Count', 'Runner-up', 'Third Place']
Types: ['real', 'text', 'real', 'text', 'text']
Sample row: [2006.0, 'Deportivo Municipal', 2.0, 'Universidad San Marcos', 'Deportivo Aviación']
SQL:

assistant: SELECT "Runner-up" FROM "Table" WHERE "Season" < 2007.0;