Sentence: 101 Helena, which has an apoapsis of 441092000.0 kms was discovered by the Canadian National, James Craig Watson. His alma mater was the University of Michigan and he died in Madison, Wisconsin.

What structured data could we extract from this sentence?
101 Helena, discoverer, James Craig Watson; James Craig Watson, almaMater, University of Michigan; James Craig Watson, nationality, Canada; James Craig Watson, deathPlace, Madison, Wisconsin; 101 Helena, apoapsis, 441092000.0 (kilometres)