Question: What is the nationality of the racing team that developed the Toro Rosso STR6 ?
Sentence (from "Toro Rosso STR8"): The Toro Rosso STR8 (initially referred to as the Toro Rosso STR08) is a Formula One racing car designed and built by Scuderia Toro Rosso for use in the 2013 Formula One season.
Relevant evidence: No