Sentence: AmeriGas, founded on January 1, 1959, operates throughout the entire United States. The company headquarters are located in the United States where they employ more than 8,500 people.

What data can be extracted from this sentence?
AmeriGas, regionServed, United States; AmeriGas, country, United States; AmeriGas, numberOfEmployees, 8500; AmeriGas, foundingDate, 1959-01-01