SELECT T2.Jan FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T1.city = "Shanghai"
What is the temperature of "Shanghai" city in January?
SELECT T2.Jan FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T1.city = `` Shanghai ''
select t2 . jan from city as t1 join temperature as t2 on t1 . city_id = t2 . city_id where t1 . city = value
What is the temperature of `` Shanghai '' city in January ?