When did Park Geun-hye started to study at Sacred Heart Girls' High School and when did she leave?
SELECT ?value1 ?value2 WHERE { wd:Q138048 p:P69 ?s . ?s ps:P69 wd:Q21577152 . ?s pq:P582 ?value1 . ?s pq:P580 ?value2 }
park geun-hye: Q138048 sacred heart girls' high school: Q21577152