CREATE TABLE table_48104 ("Class" TEXT, "Team" TEXT, "Driver" TEXT, "Chassis \\u2013 Engine" TEXT, "Laps" FLOAT)

Who is the driver of the chassis-engine porsche 956 gti?
SELECT "Driver" FROM table_48104 WHERE "Chassis \u2013 Engine" = 'porsche 956 gti'
SELECT "Driver" FROM "table_48104" WHERE "Chassis \u2013 Engine" = 'porsche 956 gti'