Question: What is the start of Offy engine and in 1972?
SQL: SELECT "Start" FROM "2-1235776-2" WHERE "Engine" = 'Offy' AND "Year" = 1972.0;

Question: What is the chassis for Offy engine and 25th finish?
SQL: SELECT "Chassis" FROM "2-1235776-2" WHERE "Engine" = 'Offy' AND "Finish" = '25th';

Question: What is the finish of McLaren chassis?
SQL: SELECT "Finish" FROM "2-1235776-2" WHERE "Chassis" = 'McLaren';