Complex sentence: This feat has only been achieved twice in GP2 racing's short history; by Brazilian Nelson Piquet, Jr. in the 9th round of the 2006 season in Hungary and by German Nico Hülkenberg in the 5th round of the 2009 season in Germany.
Split into simpler sentences: This feat has only been achieved twice in GP2 racing's short history. By Brazilian Nelson Piquet, Jr. in the 9th round of the 2006 season in Hungary and by German Nico Hülkenberg in the 5th round of the 2009 season in Germany.