input question: Sentence: Washington D. C. is the capital of the United States.

Structured data: United States, capital, Washington, D.C.

input question: Sentence: The ALCO RS-3 has a four-stroke engine and was produced between May 1950 and August 1956.

Structured data: ALCO RS-3, buildDate, "May 1950 - August 1956"; ALCO RS-3, engine, Four-stroke engine

input question: Sentence: Ayam penyet is from the Singapore region where Halimah Yacob is a leader.

Structured data: Singapore, leader, Halimah Yacob; Ayam penyet, region, Singapore

input question: Sentence: The celestial body known as 10 Hygiea has a surface area of 837080.744 square km and an apoapsis of 523951582.33968 kilometres.

Structured data:
10 Hygiea, surfaceArea, 837080.744 (squareKilometres); 10 Hygiea, apoapsis, 523951582.33968 (kilometres)