Question: According to the Greenspring Media publication  "Bloomington-Mall of America Visitors Guide", when was the Mall of America opened?
Sentence (from "Greenspring Media"): The company publishes two subscription magazines, "Minnesota Monthly" and "Midwest Home", as well as custom publications including "Real Food", "Where Twin Cities", "Twin Cities Living", "Minneapolis Meeting & Planner's Guide", "Bloomington-Mall of America Visitors Guide" (in partnership with Bloomington Convention & Tourism Bureau and the Mall of America), "Minneapolis-Saint Paul Official Visitors Guide", and "Visit-TwinCities.
Relevant evidence: Yes