Question: In which area the largest privately held supermarket chains in the United States was established which acquired Seessel's Supermarkets in 2002?
Sentence (from "Schnucks"): Established in the St. Louis area, the company was started in 1939 with the opening of a 1000 sqft store in north St. Louis and now operates 100 stores in five states throughout the Midwest.
Relevant evidence: Yes