question: Alexander Rossi, the American professional racing driver, came in 3rd place in which pair of motor races in April 2015? 
answer: The 2015 Bahrain GP2 Series round
context: Title: Maurice Seynaeve
  Passage: Maurice Seynaeve (Heule (near Kortrijk) Belgium, 31 January 1907 – Florencio Varela, Buenos Aires Argentina, 28 November 1998) was a Belgian Cyclo-cross rider in the years 1928–1940.  Maurice Seynaeve won the Belgian National Cyclo-cross Championships from 1933 to 1937.  Maurice Seynaeve also participated in classical road races like Ronde van Vlaanderen (Tour of Flanders - 3rd place, 1928) and Ronde van België (Tour of Belgium 3rd place Stage 1, 1931).
  Title: Alexander Rossi
  Passage: Alexander Michael Rossi (born September 25, 1991) is an American professional racing driver.  He currently races in the IndyCar Series for Bryan Herta Autosport with Andretti Autosport.  Rossi won the 2016 Indianapolis 500 as a rookie.
  Title: 2015 Bahrain GP2 Series round
  Passage: 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 as part of the GP2 Series.  It was the first round of the 2015 GP2 Series and was run in support of the 2015 Bahrain Grand Prix.  The first race, a 32-lap feature event, was won by ART Grand Prix driver Stoffel Vandoorne who started from the pole position.  Rio Haryanto finished second for the Campos Racing team, and Racing Engineering driver Alexander Rossi came third.  Haryanto won the second event, a 23-lap sprint race, ahead of Vandoorne in second, and Lazarus driver Nathanaël Berthon in third.
  Title: 2016 Baku GP2 Series round
  Passage: The 2016 Baku GP2 Series round was a pair of motor races held on 18 and 19 June 2016 at the Baku City Circuit in Azerbaijan as part of the GP2 Series.  It was the third round of the 2016 GP2 Series and was run in support of the 2016 European Grand Prix.  The first race, a 26-lap feature event, was won by Prema Racing driver Antonio Giovinazzi who started from pole position.  Sergey Sirotkin finished second for ART Grand Prix, and Russian Time driver Raffaele Marciello came in third.  Giovinazzi won the second event, a 21-lap sprint race, ahead of teammate Pierre Gasly in second and Sirotkin in third.
citations: Alexander Rossi 2015 Bahrain GP2 Series round