Question: Which are the Semitic languages that had as writing system the Egyptian hieroglyphs?
Paraphrase: Which are the Semitic dialects that had as composing framework the Egyptian hieroglyphs?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P282 wd:Q132659 . ?sbj wdt:P31 wd:Q34049 } 
Answer: Egyptian