Question: What is the unit used to measure energy ?
Paraphrase: Who is the supporter holy person of Thessaloniki?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P111 wd:Q11379 . ?sbj wdt:P31 wd:Q3647172 } 
Answer: electronvolt, gigaelectronvolt, kiloelectronvolt, megaelectronvolt