Table for the 4 triples with object "nothing" sorted by label

Subject	Predicate
lp_eu:2004-01-13-Speech-2-176	lpv:unclassifiedMetadata
lp_eu:2004-04-20-Speech-2-438	lpv:unclassifiedMetadata
lp_eu:2004-05-04-Speech-2-158	lpv:unclassifiedMetadata
lp_eu:2006-09-06-Speech-3-181	lpv:unclassifiedMetadata