Question: Which French driver, formerly from Team Mugen, replaced Daniil Kvyat as a driver of the Toro Rosso STR12?
Sentence (from "Toro Rosso STR12"): The car made its competitive début at the 2017 Australian Grand Prix and is driven by Daniil Kvyat and Carlos Sainz, Jr. Pierre Gasly replaced Kvyat ahead of the 2017 Malaysian Grand Prix.
Relevant evidence: Yes