user: Question: Name the number of record for United Center 18,838
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: [31.0, 'January 2', 'Orlando', 'W 101–93 (OT)', 'Derrick Rose (30)', 'Taj Gibson (12)', 'Derrick Rose (7)', 'United Center 21,162', '14–17']
SQL:

assistant: SELECT COUNT("Record") FROM "Table" WHERE "Location Attendance" = 'United Center 18,838';