CREATE TABLE table_6123 ("Processor Speed  ( MHz ) " FLOAT, "Input Clock  ( MHz ) " CLOB, "Voltage Center  ( V ) " CLOB, "Voltage Range  ( V ) " CLOB, "Part Number" CLOB, "Clock Multiplier" CLOB, "S-Spec Number" CLOB)

Which Voltage Center (V) has an Input Clock (MHz) of 25 x 3, and a Part Number of a80486dx4-75?
SELECT "Voltage Center (V)" FROM table_6123 WHERE "Input Clock (MHz)" = '25 x 3' AND "Part Number" = 'a80486dx4-75'
SELECT "Voltage Center (V)" FROM "table_6123" WHERE "Input Clock (MHz)" = '25 x 3' AND "Part Number" = 'a80486dx4-75'