Given the following reasoning and answer, what was the question? The important part for answering this question is: Iain Armitage stars as young Sheldon, alongside Zoe Perry, Lance Barber, Montana Jordan, Raegan Revord, and Annie Potts.
The answer: Iain Armitage
The question Passage: Young Sheldon (stylized as young Sheldon) is an American television comedy on CBS created by Chuck Lorre and Steven Molaro. The series is a spin-off prequel to The Big Bang Theory and follows the character Sheldon Cooper at the age of 9, living with his family in East Texas and going to high school. Iain Armitage stars as young Sheldon, alongside Zoe Perry, Lance Barber, Montana Jordan, Raegan Revord, and Annie Potts. Jim Parsons, who portrays the adult Sheldon Cooper on The Big Bang Theory, narrates the series and serves as an executive producer.

Question: Based on this passage, who is the young actor who plays young sheldon?