Question: Who is the person that was the professional or sport partner of Paul McCartney?
Paraphrase: Who is the person who was Paul McCartney's professional or sporting partner?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P1327 wd:Q2599 . ?sbj wdt:P31 wd:Q5 } 
Answer: Linda McCartney, John Lennon