Question: who was the winner for american got talent
Answer: Silhouettes Team iLuminate 7 May 14 , 2012 September 13 , 2012 Olate Dogs Tom Cotter William Close Howard Stern 8 June 4 , 2013 September 18 , 2013 Kenichi Ebina Taylor Williamson Jimmy Rose Mel B Heidi Klum 9 May 27 , 2014 September 17 , 2014 Mat Franco Emily West AcroArmy 10 May 26 , 2015 September 16 , 2015 Paul Zerdin Drew Lynch Oz Pearlman 11 May 31 , 2016 September 14 , 2016 Grace VanderWaal The Clairvoyants Jon Dorenbos Simon Cowell 12 May 30 , 2017 September 20 , 2017 Darci Lynne Farmer Angelica Hale Light Balance Tyra Banks