Question: The 2015 Bahrain GP2 Series round was a pair of motor races held on 18 and 19 April 2015 at the Bahrain International Circuit in Sakhir, Bahrain, Racing Engineering professional driver Alexander Rossi came in which rank?
Sentence (from "2012 Bahrain GP2 Series rounds"): The second round was held one week later as an independent round of the championship, the only one of its kind on the 2012 calendar.
Relevant evidence: No