Read this: Boardwalk Hall, formally known as the "Historic Atlantic City Convention Hall", is an arena in Atlantic City along the boardwalk. Boardwalk Hall was Atlantic City's primary convention center until the opening of the Atlantic City Convention Center in 1997. The Atlantic City Convention Center includes 500,000 sq ft (46,000 m2) of showroom space, 5 exhibit halls, 45 meeting rooms with 109,000 sq ft (10,100 m2) of space, a garage with 1,400 parking spaces, and an adjacent Sheraton hotel. Both the Boardwalk Hall and Convention Center are operated by the Atlantic City Convention & Visitors Authority.

How many sq ft of showroom space is included in the Atlantic City Convention Center?
What is the answer? (If it cannot be answered, return "unanswerable")
500,000 sq ft