user: Question: Which Voltage Center (V) has an Input Clock (MHz) of 25 X 3, and a Part Number of A80486DX4-75?
Columns: ['Processor Speed (MHz)', 'Input Clock (MHz)', 'Voltage Center (V)', 'Voltage Range (V)', 'Part Number', 'Clock Multiplier', 'S-Spec Number']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [75.0, '25 X 3', '3.3', '3.1 - 3.6', 'FC80486DX4-75', '3X mode only', 'SK052, SX883']
SQL:

assistant: SELECT "Voltage Center (V)" FROM "Table" WHERE "Input Clock (MHz)" = '25 X 3' AND "Part Number" = 'A80486DX4-75';