Question: Fantastic! Between Hangzhou and Nantong, which city has the cooler weather? | Did  you  mean what  time  to compare the  weather ? | Oh, sorry! Yes, which city has the lowest temperature in March?
SQL: SELECT T2.Mar,T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id  =  T2.city_id WHERE T1.City = "Hangzhou  (  Zhejiang  ) "  or T1.City = "Nantong  (  Jiangsu  ) "