user: Question: Which season has the Regionalliga Süd (III) league?
Columns: ['Season', 'League', 'Teams', 'Home', 'Away']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1997-98', 'Regionalliga Süd (III)', 'FC Bayern Munich II - TSV 1860 Munich II', '2-2', '1-3']
SQL:

assistant: SELECT "Season" FROM "Table" WHERE "League" = 'Regionalliga Süd (III)';