Question: The impeachment of Park Geun-hye, former President of South Korea, was the culmination of a political scandal involving interventions to the presidency from her aide, a fresh election was held on which date, electing Moon Jae-in, former leader of the Democratic Party, as the next president?
Sentence (from "South Korean presidential election, 2012"): Park Geun-hye of the Saenuri party was elected the first female South Korean president with 51.6% of the vote opposed to 48.0% for her opponent Moon Jae-in.
Relevant evidence: No