Question: Which is the fictional humanoid that is represented by Iron Maiden?
Paraphrase: Which is the anecdotal humanoid that's spoken to by Press Maiden?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P1268 wd:Q42482 . ?sbj wdt:P31 wd:Q28020127 } 
Answer: Eddie the Head