Question: How many member institutions are there in the collegiate athletic conference, of  which the  2002 Arkansas State Indians football team are members?
Sentence (from "Atlantic Coast Conference"): The Atlantic Coast Conference (ACC) is a collegiate athletic conference in the United States of America in which its fifteen member universities compete in the National Collegiate Athletic Association (NCAA)'s Division I, with its football teams competing in the Football Bowl Subdivision (FBS), the highest levels for athletic competition in US-based collegiate sports.
Relevant evidence: No