Sentence: Barrow AFC are previous champions of the National League North.

Question: What structured data could we extract from this sentence?

A: National League North, champions, Barrow A.F.C.

Sentence: The president is the leader of the United States, where Albuquerque, New Mexico is located and Native Americans are an ethnic group.

Question: What structured data could we extract from this sentence?

A: United States, ethnicGroup, Native Americans in the United States; United States, leaderTitle, President of the United States; Albuquerque, New Mexico, country, United States

Sentence: The celestial body known as (66391) 1999 KW4 has an orbital period of 16244700, a periapsis of 29919600000.0, and an epoch date of 14 July 2004.

Question: What structured data could we extract from this sentence?

A:
(66391) 1999 KW4, epoch, 2004-07-14; (66391) 1999 KW4, orbitalPeriod, 16244700.0; (66391) 1999 KW4, periapsis, 29919600000.0