Question: Who was the winning driver with the winning team Opel Team Holzer 1, and a round under 9 with the fastest lap being Bernd Schneider?
SQL: SELECT "Winning driver" FROM "2-12563443-2" WHERE "Winning team" = 'Opel Team Holzer 1' AND "Round" < 9.0 AND "Fastest lap" = 'Bernd Schneider';

Question: What was the final number for the winning manufacturer with mercedes-benz, and a circuit of hockenheimring?
SQL: SELECT COUNT("Round") FROM "2-12563443-2" WHERE "Winning manufacturer" = 'mercedes-benz' AND "Circuit" = 'hockenheimring';

Question: What was the date of Circuit Hockenheimring and the winning manufacturer being Mercedes-Benz?
SQL: SELECT "Date" FROM "2-12563443-2" WHERE "Circuit" = 'Hockenheimring' AND "Winning manufacturer" = 'Mercedes-Benz';

Question: Who was the winning driver of the Circuit of Lausitzring?
SQL: SELECT "Winning driver" FROM "2-12563443-2" WHERE "Circuit" = 'Lausitzring';