What is {safety classification and labelling} of {zinc chloride} that is {NFPA Health} is {3} ?
Tell me the safety classification of zinc chloride, with a 3 NFPA rating in Health
What is the safety classification of zinc chloride, which has an NFPA rating in Health of 3?
SELECT ?z WHERE { ?j property:safety_classification_and_labelling ?z . ?j property:NFPA_Health ?d . FILTER ( ?d = 3 ) . resource:zinc_chloride property:safety_classification_and_labelling ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q204714> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4952> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P993> <3>
} 

SELECT ?obj WHERE { wd:Q204714 p:P4952 ?s . ?s ps:P4952 ?obj . ?s pq:P993 ?x filter(contains(?x , '3')) }