query: #title: Invalid determination method for clock speed
  # Complex constraint from [[Property talk:P2149]]
  # Clock speed should be determined either by using [[d:Q73207925|base clock frequency <small>(Q73207925)</small>]] and/or [[d:Q73208059|boost clock frequency <small>(Q73208059)</small>]]
  select ?item #?itemLabel ?determinationmethod ?determinationmethodLabel 
  where {
    ?item p:P2149 ?clockspeed .
    ?clockspeed pq:P459 ?determinationmethod             
    FILTER NOT EXISTS {?clockspeed pq:P459 wd:Q73207925}       
    FILTER NOT EXISTS {?clockspeed pq:P459 wd:Q73208059}
    #SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }