what is the {astronomical filter} for {Alpha Centauri} has {color index} as {0.23} ?
Regarding the color index 0.23 Alpha Centauri, what is the proper astronomical filter?
What astronomical filter has color index 0.23 for Alpha Centauri?
SELECT ?b WHERE { resource:Alpha_Centauri property:color_index ?j . ?j property:astronomical_filter ?b . FILTER ( CONTAINS ( ?i , '0.23' ) ) . ?j property:color_index ?i }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12176> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1458> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <0.23> .
?statement <http://www.wikidata.org/entity/P1227> ?value. 
} 

SELECT ?value WHERE { wd:Q12176 p:P1458 ?s . ?s ps:P1458 ?x filter(contains(?x , '0.23')) . ?s pq:P1227 ?value}