What is the nearest metro station to the national museum ?
O O O B-SL_LOCATION_MODIFIER B-SL_CATEGORY_LOCATION I-SL_CATEGORY_LOCATION B-SL_LOCATION_MODIFIER_IN_GET_LOCATION_SL_SEARCH_RADIUS B-SL_LOCATION_MODIFIER_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_LOCATION_MODIFIER_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_LOCATION_MODIFIER_IN_GET_LOCATION_SL_POINT_ON_MAP O