CREATE TABLE hosting_city (year DECIMAL, match_id DECIMAL, host_city TEXT)
CREATE TABLE match (match_id DECIMAL, date TEXT, venue TEXT, score TEXT, result TEXT, competition TEXT)
CREATE TABLE city (city_id DECIMAL, city TEXT, hanzi TEXT, hanyu_pinyin TEXT, regional_population DECIMAL, gdp DECIMAL)
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)

What is the venue of the competition '1994 FIFA World Cup qualification' hosted by 'Nanjing ( Jiangsu )'?
SELECT T3.venue FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city JOIN match AS T3 ON T2.match_id = T3.match_id WHERE T1.city = "Nanjing ( Jiangsu )" AND T3.competition = "1994 FIFA World Cup qualification"
SELECT "T3"."venue" FROM "city" AS "T1" JOIN "hosting_city" AS "T2" ON "T1"."city_id" = "T2"."host_city" JOIN "match" AS "T3" ON "1994 FIFA World Cup qualification" = "T3"."competition" AND "T2"."match_id" = "T3"."match_id" WHERE "Nanjing ( Jiangsu )" = "T1"."city"