user: Question: What is the temperature classification of a Purple colored glass bulb?
Columns: ['Maximum Ceiling Temperature', 'Temperature Rating', 'Temperature Classification', 'Color Code (with Fusible Link)', 'Glass Bulb Color']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['100°F / 38°C', '135-170°F / 57-77°C', 'Ordinary', 'Uncolored or Black', 'Orange (135°F) or Red (155°F)']
SQL:

assistant: SELECT "Temperature Classification" FROM "Table" WHERE "Glass Bulb Color" = 'Purple';