CREATE TABLE city (city_id DECIMAL, city TEXT, hanzi TEXT, hanyu_pinyin TEXT, regional_population DECIMAL, gdp DECIMAL)
CREATE TABLE hosting_city (year DECIMAL, match_id DECIMAL, host_city TEXT)
CREATE TABLE temperature (city_id DECIMAL, jan DECIMAL, feb DECIMAL, mar DECIMAL, apr DECIMAL, jun DECIMAL, jul DECIMAL, aug DECIMAL, sep DECIMAL, oct DECIMAL, nov DECIMAL, dec DECIMAL)
CREATE TABLE match (match_id DECIMAL, date TEXT, venue TEXT, score TEXT, result TEXT, competition TEXT)

IN which year did city 'Taizhou ( Zhejiang )' serve as a host city?
SELECT T2.year FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city WHERE T1.city = "Taizhou ( Zhejiang )"
SELECT "T2"."year" FROM "city" AS "T1" JOIN "hosting_city" AS "T2" ON "T1"."city_id" = "T2"."host_city" WHERE "T1"."city" = "Taizhou ( Zhejiang )"