Question: The Alton Square Mall is a 2-level 634,181 square-foot enclosed shopping mall located in Alton, Illinois, one of its anchors are J. C. Penney Company. Inc, an American department store chain with how many locations, in 49 U.S. states and Puerto Rico?
Sentence (from "West Towne Mall"): West Towne is the sister mall to the East Towne Mall which opened a year later.
Relevant evidence: No