Question: What is the place with a total of 643135 sqft and 70 in-line stores, that is now the last of it's kind after the largest enclosed shopping center in Huntsville closed in early 2017?
Sentence (from "North Shore Square"): The mall has struggled partially due to increased internet-based sales as well as an open-air shopping center located on the opposite side of town, to which it lost some of its tenants.
Relevant evidence: No