Question: if 22km is the trekking route what is  height from sea level in meters?
Schema: create table table_1430913_1 (height_from_sea_level_in_meters varchar, trekking_route varchar, PRIMARY KEY (height_from_sea_level_in_meters))
SQL: select height_from_sea_level_in_meters from table_1430913_1 where trekking_route = "22km"