user: Question: Who was the opponent, during the game at the location of KeyArena at Seattle Center?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'Location/Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['45', 'Feb 1', 'at Dallas Mavericks', '97-100 L', 'Reunion Arena', '31-14']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Location/Attendance" = 'KeyArena at Seattle Center';