query: SELECT ?item ?value ?value2 ?st 
  {
    hint:Query hint:optimizer "None".
    ?st ps:P3782 ?value.
    FILTER( regex(?value, "%")  )
    ?item p:P3782 ?st.
    ?item wdt:P3782 ?value2.
    FILTER( ?value2 != ?value 
           && wikibase:decodeUri(?value) = ?value2 ) 
  }