Question: Who is buried in the Mausoleum of Maussollos?
Paraphrase: Who is buried within the Sepulcher of Maussollos?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P119 wd:Q45368 . ?sbj wdt:P31 wd:Q5 } 
Answer: Mausolus