Table for the 3 triples with object "1877-01-12" sorted by label

Subject	Predicate
mdb:Anna Magretha (Anna Magreta) (1877-01-12)	mdb:datum
mdb:kok: Postema, Hindrik (uit Hoogezand (NL))	mdb:datum
mdb:schipper: Olthof, Geert E. (uit Veendam (NL))	mdb:datum