user: Question: what is the socket that has a brand name of Core 2 Extreme?
Columns: ['Processor', 'Brand Name', 'Model (list)', 'Cores', 'L2 Cache', 'Socket', 'TDP']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Yorkfield', 'Xeon', 'X33x0', 4.0, '2×3–2×6 MB', 'LGA 775', '65–95 W']
SQL:

assistant: SELECT "Socket" FROM "Table" WHERE "Brand Name" = 'Core 2 Extreme';