SCHEMA:
CREATE TABLE city (Official_Name VARCHAR, City_ID VARCHAR); CREATE TABLE farm_competition (Year VARCHAR, Host_city_ID VARCHAR)
USER:
Show the years and the official names of the host cities of competitions.

QUERY:
SELECT T2.Year, T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID