user: Question: What is the date where the record was 18–12?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [18.0, 'December 1', '@ Chicago', 'W 107–78 (OT)', 'Jameer Nelson (24)', 'Dwight Howard (12)', 'Jameer Nelson (9)', 'United Center 21,435', '14–4']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Record" = '18–12';