What is the {unit of measurement} for {measured physical quantity} of {frequency}
Specify the unit to degree the physical amount named as frequency
Mention the unit to measure the physical quantity named as frequency
SELECT DISTINCT ?w WHERE { ?w rdf:type ontology:unit_of_measurement . ?w property:measured_physical_quantity resource:frequency }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P111> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11652> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q47574> } 
 select distinct ?sbj where { ?sbj wdt:P111 wd:Q11652 . ?sbj wdt:P31 wd:Q47574 } 
Fresnel reciprocal second attohertz zettahertz yottahertz yoctohertz zeptohertz reciprocal megaannum