SELECT T2.Theme FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID  =  T2.Host_city_ID WHERE T1.Population  >  1000
What are the themes of competitions that have corresponding host cities with more than 1000 residents?
SELECT T2.Theme FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID WHERE T1.Population > 1000
select t2 . theme from city as t1 join farm_competition as t2 on t1 . city_id = t2 . host_city_id where t1 . population > value
What are the themes of competitions that have corresponding host cities with more than 1000 residents ?