Table for the 3 triples with object "1911-08-11" on predicate mdb:datum sorted by label

Subject	Predicate
mdb:bediende: Leij, F. (uit Delfzijl (NL))	mdb:datum
mdb:kapitein: Boer, de, K. (uit Harlingen (NL))	mdb:datum
mdb:Noord Holland (1911-08-11)	mdb:datum