Table schema:
CREATE TABLE table_name_2 (constructor VARCHAR, rounds VARCHAR, engine VARCHAR)

Question: Who is the constructor of the car with a Peugeot A12 EV5 3.0 V10 engine that competed in all rounds?
SQL: SELECT constructor FROM table_name_2 WHERE rounds = "all" AND engine = "peugeot a12 ev5 3.0 v10"