what is the {pressure} for {helium} has {refractive index} as {1.00004} ?
If Helium's refractive index is 1.00004, what is the pressure?
What is the pressure of helium if it has a refractive index of 1.00004?
SELECT ?k WHERE { FILTER ( CONTAINS ( ?q , '1.00004' ) ) . ?m property:refractive_index ?q . ?m property:pressure ?k . resource:helium property:refractive_index ?m }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q560> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1109> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <1.00004> .
?statement <http://www.wikidata.org/entity/P2077> ?value. 
} 

SELECT ?value WHERE { wd:Q560 p:P1109 ?s . ?s ps:P1109 ?x filter(contains(?x , '1.00004')) . ?s pq:P2077 ?value}