user: Question: What year had a record of 4-21?
Columns: ['Year', 'League', 'Record', 'Reg. Season', 'Playoffs']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1954/55', 'EPBL', '15-15', '4th', 'Finals']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Record" = '4-21';