CREATE TABLE city (Official_Name VARCHAR(255), City_ID VARCHAR(255)); CREATE TABLE farm_competition (Year VARCHAR(255), Host_city_ID VARCHAR(255))
Show the years and the official names of the host cities of competitions.
    
SQL: SELECT T2.Year, T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID