<prompt> Pedzisa mutsara unotevera: The 2018 Barcelona GP3 Series round was a motor racing event held on 12 and 13 May 2018 at the Circuit de Barcelona-Catalunya, Barcelona, Spain. Yakanga iri kutenderera kwekutanga kwe2018 GP3 Series, uye yakamhanya ichitsigira  <response>: 2018 Spanish Grand Prix. 