Question: what is branch of science in physics studies and also which starts with letter e
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q2465832 . ?sbj wdt:P2578 wd:Q413 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'e')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25