Sentence: Walter Baade, a doctoral student of Halton Arp, was born in Preussisch Oldendorf and studied at the University of Gottingen. He discovered 1036 Ganymed and also had a student named Allan Sandage.

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

A: 1036 Ganymed, discoverer, Walter Baade; Walter Baade, doctoralStudent, Halton Arp; Walter Baade, doctoralStudent, Allan Sandage; Walter Baade, birthPlace, Preuisch Oldendorf; Walter Baade, almaMater, University of Gottingen

Sentence: The Al Asad Airbase is in Iraq.

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

A: Al Asad Airbase, location, Iraq

Sentence: Alpharetta, Georgia has a population density of 992.6 inhabitants per square kilometre, is located at 346.0 above sea level and is 55.4 square kilometres.

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

A:
Alpharetta, Georgia, areaTotal, 55.4 (square kilometres); Alpharetta, Georgia, elevationAboveTheSeaLevel, 346.0; Alpharetta, Georgia, populationDensity, 992.6 (inhabitants per square kilometre)