Question: Name the glass bulb color for Ordinary
SQL: SELECT "Glass Bulb Color" FROM "1-1538516-1" WHERE "Temperature Classification" = 'Ordinary';

Question: Name the most ceiling temperature for Intermediate
SQL: SELECT "Maximum Ceiling Temperature" FROM "1-1538516-1" WHERE "Temperature Classification" = 'Intermediate';

Question: Name the most ceiling temperature for Very Extra High
SQL: SELECT "Maximum Ceiling Temperature" FROM "1-1538516-1" WHERE "Temperature Classification" = 'Very Extra High';