SELECT T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id  =  T2.city_id ORDER BY T2.Feb DESC LIMIT 1
Which city has the highest temperature in February?
CREATE TABLE "city" (
"City_ID" int,
"City" text,
"Hanzi" text,
"Hanyu_Pinyin" text,
"Regional_Population" int,
"GDP" real,
PRIMARY KEY ("City_ID")
);
CREATE TABLE "match" (
"Match_ID" int,
"Date" text,
"Venue" text,
"Score" text,
"Result" text,
"Competition" text,
PRIMARY KEY ("Match_ID")
);
CREATE TABLE "temperature" (
"City_ID" int,
"Jan" real,
"Feb" real,
"Mar" real,
"Apr" real,
"Jun" real,
"Jul" real,
"Aug" real,
"Sep" real,
"Oct" real,
"Nov" real,
"Dec" real,
PRIMARY KEY ("City_ID"),
FOREIGN KEY (`City_ID`) REFERENCES `city`(`City_ID`)
);
CREATE TABLE "hosting_city" (
  "Year" int,
  "Match_ID" int,
  "Host_City" text,
  PRIMARY KEY ("Year"),
  FOREIGN KEY (`Host_City`) REFERENCES `city`(`City_ID`),
  FOREIGN KEY (`Match_ID`) REFERENCES `match`(`Match_ID`)
);
INSERT INTO  "city" VALUES (1,"Shanghai","上海","Shànghǎi","23019148","1919.57");
INSERT INTO  "temperature" VALUES (1,17.8,17.8,18.3,18.9,20.0,20.6,20.6,20.6,20.0,19.4,18.3);
INSERT INTO  "match" VALUES (1,"18 February 1992","Estadio Cuscatlán , San Salvador , El Salvador","1-0","2-0","Friendly match");
INSERT INTO  "hosting_city" VALUES ("2008",1,1);