user: Question: Which League has a Regular Season of 2nd, Southeast?
Columns: ['Year', 'Division', 'League', 'Regular Season', 'Playoffs', 'Open Cup']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2008.0, '4', 'NPSL', '1st, Southeast', 'Divisional Round', 'Did not qualify']
SQL:

assistant: SELECT "League" FROM "Table" WHERE "Regular Season" = '2nd, Southeast';