what is the {series ordinal} for {ether} has {ionization energy} as {9.53} ?
With an ionized energy of 9.53, ether, has what numerical order?
which was the series ordinal  for ether which has  ionization energy as 9.53?
SELECT ?u WHERE { ?f property:ionization_energy ?g . ?f property:series_ordinal ?u . FILTER ( CONTAINS ( ?g , '9.53' ) ) . resource:ethyl_ether property:ionization_energy ?f }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q202218> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2260> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <9.53> .
?statement <http://www.wikidata.org/entity/P1545> ?value. 
} 

SELECT ?value WHERE { wd:Q202218 p:P2260 ?s . ?s ps:P2260 ?x filter(contains(?x , '9.53')) . ?s pq:P1545 ?value}