Table for the 3 triples with object "perestroika" sorted by label

Subject	Predicate
lp_eu:1999-09-14-Speech-2-081	lpv:unclassifiedMetadata
lp_eu:1999-09-14-Speech-2-106	lpv:unclassifiedMetadata
lp_eu:2010-10-07-Speech-4-144	lpv:unclassifiedMetadata