Question: What is the IPTC Newscode of trade union?
Choices: mediatopic/20001057
mediatopic/20000682
mediatopic/20000925
mediatopic/20000536
mediatopic/20001099
mediatopic/20000724
mediatopic/20000096
mediatopic/20000852
mediatopic/20000104
mediatopic/20000036
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "trade union" . ?e <IPTC_Newscode> ?pv .  }
Program:
function: Find
inputs: trade union
function: QueryAttr
dependencies: 0
inputs: IPTC Newscode
Answer: mediatopic/20000536