Question: who is opening for shawn mendes in pittsburgh
Answer: 8,007 $700,236 May 21 , 2017 Copenhagen Denmark Forum Copenhagen 7,038 / 7,038 $444,581 May 22 , 2017 Hamburg Germany Barclaycard Arena 11,985 / 12,988 $633,485 May 24 , 2017 Paris France AccorHotels Arena 11,037 / 11,037 $722,458 May 27 , 2017 Brussels Belgium Palais 12 9,242 / 9,242 $452,694 May 30 , 2017 Dublin Republic of Ireland 3Arena 8,674 / 8,674 $641,209 June 1 , 2017 London England The O Arena 31,942 / 32,228 $1,535,870 June 2 , 2017 North America July 6 , 2017 Portland United States Moda Center Charlie Puth 12,718 / 12,718 $563,506 July 8 , 2017 Vancouver Canada Rogers Arena 11,944 / 12,578 $658,946 July 9 , 2017 Seattle United States KeyArena 11,655 / 11,827 $571,611 July 11 , 2017 Oakland Oracle Arena 13,798 / 13,798 $797,363 July 12 , 2017 Los Angeles Staples Center 13,445 / 13,610 $812,975 July 14 , 2017 San Diego Valley View Casino Center 10,354 / 10,486 $507,726 July 15 , 2017 Glendale Gila River Arena 13,310 / 13,310 $584,916 July 17 , 2017 Denver Pepsi Center 11,958 / 12,286 $532,151 July 19 , 2017 Dal