CREATE TABLE table_6122 ("Processor Speed  ( MHz ) " FLOAT, "Input Clock  ( MHz ) " TEXT, "Voltage Center  ( V ) " TEXT, "Voltage Range  ( V ) " TEXT, "Part Number" TEXT, "Clock Multiplier" TEXT, "S-Spec Number" TEXT)

Which Voltage Center (V) has an S-Spec Number of sk096?
SELECT "Voltage Center (V)" FROM table_6122 WHERE "S-Spec Number" = 'sk096'
SELECT "Voltage Center (V)" FROM "table_6122" WHERE "S-Spec Number" = 'sk096'