SELECT T1.Name ,  T1.population FROM country AS T1 JOIN roller_coaster AS T2 ON T1.Country_ID  =  T2.Country_ID ORDER BY T2.Height DESC LIMIT 1
Show the name and population of the country that has the highest roller coaster.
SELECT T1.Name , T1.population FROM country AS T1 JOIN roller_coaster AS T2 ON T1.Country_ID = T2.Country_ID ORDER BY T2.Height DESC LIMIT 1
select t1 . name , t1 . population from country as t1 join roller_coaster as t2 on t1 . country_id = t2 . country_id order by t2 . height desc limit value
Show the name and population of the country that has the highest roller coaster .