when did it first premier?
October 5, 2011
American Horror Story
The series premiered on October 5, 2011, 
how many series are there of american horror story 10 who created this television series? Ryan Murphy and Brad Falchuk
wiki:13985624
American Horror Story [SEP] Broadcast
The series premiered on October 5, 2011, and is broadcast on the cable television channel FX in the United States. In November 2011, it premiered internationally on the respective countries' Fox Networks Group. The first season premiered on October 5, 2011, and concluded on December 21, 2011. The second season premiered on October 17, 2012, and concluded on January 23, 2013. The third season premiered on October 9, 2013, and concluded on January 29, 2014. The fourth season premiered on October 8, 2014, and concluded on January 21, 2015. The fifth season premiered on October 7, 2015, and concluded on January 13, 2016.