CREATE TABLE competition_record (competition_id DECIMAL, farm_id DECIMAL, rank DECIMAL)
CREATE TABLE farm_competition (competition_id DECIMAL, year DECIMAL, theme TEXT, host_city_id DECIMAL, hosts TEXT)
CREATE TABLE farm (farm_id DECIMAL, year DECIMAL, total_horses DECIMAL, working_horses DECIMAL, total_cattle DECIMAL, oxen DECIMAL, bulls DECIMAL, cows DECIMAL, pigs DECIMAL, sheep_and_goats DECIMAL)
CREATE TABLE city (city_id DECIMAL, official_name TEXT, status TEXT, area_km_2 DECIMAL, population DECIMAL, census_ranking TEXT)

Return the hosts of competitions for which the theme is not Aliens?
SELECT hosts FROM farm_competition WHERE theme <> 'Aliens'
SELECT "hosts" FROM "farm_competition" WHERE "theme" <> 'Aliens'