what is the {series ordinal} for {Madonna} has {given name} as {Madonna} ?
What is Madonna's real name?
SELECT ?value WHERE { wd:Q1744 p:P735 ?s . ?s ps:P735 wd:Q2655122 . ?s pq:P1545 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1744> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P735> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2655122> .
?statement <http://www.wikidata.org/entity/P1545> ?value. 
} 

Give me Madonna's real name.