SELECT T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id  =  T2.city_id WHERE T2.Mar  <  T2.Jul INTERSECT SELECT T3.city FROM city AS T3 JOIN hosting_city AS T4 ON T3.city_id  =  T4.host_city
Which cities have lower temperature in March than in July and have been once host cities?
SELECT T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T2.Mar < T2.Jul INTERSECT SELECT T3.city FROM city AS T3 JOIN hosting_city AS T4 ON T3.city_id = T4.host_city
select t1 . city from city as t1 join temperature as t2 on t1 . city_id = t2 . city_id where t2 . mar < t2 . jul intersect select t3 . city from city as t3 join hosting_city as t4 on t3 . city_id = t4 . host_city
Which cities have lower temperature in March than in July and have been once host cities ?