Question: MediaCorp Subaru Impreza WRX Challenge has been held since its inauguration at the open air space in front of a shopping and commercial centre that was offically opened in what year?
Sentence (from "Prodrive P2"): The car is based on the platform of the Subaru R1 kei car and has a modified Subaru Impreza WRX STi engine along with many Prodrive systems originally designed for their World Championship and Sports Car Racing programmes.
Relevant evidence: No