text: In April, this city launched the Indego bike-share network. Losing mayoral primary candidates in this cityinclude a former district attorney known as the "Queen of Death" and a State Senator backed by the procharterschools PAC American Cities.
full_question: In April, this city launched the Indego bike-share network. Losing mayoral primary candidates in this cityinclude a former district attorney known as the "Queen of Death" and a State Senator backed by the procharterschools PAC American Cities. Lynne Abraham and Anthony Hardy Williams were defeated in theDemocratic primary here by a former councilman and Mummer whose 2013 LGBT equality bill was signed intolaw by Michael Nutter. Engineer Brandon Bostian claims not to remember a sequence of events here in whichhis vehicle took a signed 50 mile per hour curve at 106 miles per hour. Jim Kenney is likely to be the next mayorof, for 10 points, what city in which eight people died when Amtrak Train 188 derailed on May 12th? 
first_sentence: In April, this city launched the Indego bike-share network. Losing mayoral primary candidates in this cityinclude a former district attorney known as the "Queen of Death" and a State Senator backed by the procharterschools PAC American Cities.
raw_answer: Philadelphia, Pennsylvania