Question: Which producer of the 2017 adaptation of Stephen King's "It" is also a co=writer of 2013 horror drama "Mama"?
Sentence (from "Mama (2013 film)"): Mama is a 2013 English-language Spanish supernatural drama horror film directed and co-written by Andy Muschietti and based on his 2008 Argentine short film "Mamá".
Relevant evidence: Yes