SELECT t1.gdp ,  t1.Regional_Population FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id  =  T2.host_city GROUP BY t2.Host_City HAVING count(*)  >  1
Which cities have served as host cities more than once? Return me their GDP and population.
SELECT t1.gdp , t1.Regional_Population FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city GROUP BY t2.Host_City HAVING count ( * ) > 1
select t1 . gdp , t1 . regional_population from city as t1 join hosting_city as t2 on t1 . city_id = t2 . host_city group by t2 . host_city having count ( * ) > value
Which cities have served as host cities more than once ? Return me their GDP and population .