Question: Northland Mall was a shopping mall located on the north side of Columbus, Ohio, and was  the first of the four directionally-named shopping hubs in Columbus, along with which 860000 sqft shopping center located on the west side of Columbus, Ohio, in 1969?
{'answer': 'Westland Mall', 'supporting_facts': [['Northland Mall', 2], ['Westland Mall (Columbus)', 0]]}