user: Question: Tell me the league with a regular 1st season
Columns: ['Year', 'Division', 'League', 'Reg. Season', 'Playoffs', 'Open Cup']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1993', 'N/A', 'USISL', '7th, Atlantic', 'Did not qualify', 'Did not enter']
SQL:

assistant: SELECT "League" FROM "Table" WHERE "Reg. Season" = '1st';