Question: What was the Zakspeed 1500/4 1.5 L4 t chassis?
SQL: SELECT "Chassis" FROM "2-1139087-1" WHERE "Engine" = 'Zakspeed 1500/4 1.5 L4 t';

Question: What was the Michele Alboreto's engine?
SQL: SELECT "Engine" FROM "2-1139087-1" WHERE "Driver" = 'Michele Alboreto';