CREATE TABLE table_name_21 (tv_network_s_ VARCHAR, alternate_title_translation VARCHAR)

What TV network is the series aistr em aired on?
SELECT tv_network_s_ FROM table_name_21 WHERE alternate_title_translation = "aistrų žemė"
SELECT "tv_network_s_" FROM "table_name_21" WHERE "aistrų žemė" = "alternate_title_translation"