{"id":"S2010000175","label":"Red Line Metro Crash, Washington, D.C., 2009","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010000175","normalized_label":"red line metro crash, washington, d.c., 2009","broader":["http://id.loc.gov/authorities/subjects/sh2010000598","http://id.loc.gov/authorities/subjects/sh2010000607"],"aliases":["Metro Red Line Crash, Washington, D.C., 2009","Metrorail Red Line Crash, Washington, D.C., 2009","WMATA Red Line Metro Crash, Washington, D.C., 2009"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010000175","provider":"lcsh","revision":"671bc0edf0ce1041","taxonomy_revision":"f050b5d4780b1289","title":"Red Line Metro Crash, Washington, D.C., 2009","url":"/topics/S2010000175","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9281012844667758114","address_version":"morton4x16-v1","coordinates":[0,479,14508,48128],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}