Sentence: Auburn, Alabama forms part of Lee County, where Opelika is the county seat. Alabama is located in the United States, where Asian Americans are one of the ethnic groups.

What structured data could we extract from this sentence?
Auburn, Alabama, isPartOf, Lee County, Alabama; Lee County, Alabama, countySeat, Opelika, Alabama; Alabama, country, United States; United States, ethnicGroup, Asian Americans; Auburn, Alabama, isPartOf, Alabama