What is <file format identification pattern> of <Portable Network Graphics> ?
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What is the acronym used for Portable Network Graphics?
SELECT DISTINCT ?k WHERE { resource:Portable_Network_Graphics property:file_format_identification_pattern ?k }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q178051> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4152> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q178051 wdt:P4152 ?answer}
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