Sentence: 10 Hygiea has an epoch date of June 27th 2015. It has an orbital period of 5.57 days and an escape velocity of 0.21 kilometres per second.

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

A: 10 Hygiea, epoch, 2015-06-27; 10 Hygiea, orbitalPeriod, 5.57 (days); 10 Hygiea, escapeVelocity, 0.21 (kilometrePerSeconds)

Sentence: Alpharetta, Georgia has a population density of 992.6 inhabitants per square kilometre.

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

A: Alpharetta, Georgia, populationDensity, 992.6 (inhabitants per square kilometre)

Sentence: James Craig Watson, who died in Madison, Wisconsin, discovered 103 Hera.

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

A:
103 Hera, discoverer, James Craig Watson; James Craig Watson, deathPlace, Madison, Wisconsin