CREATE TABLE roller_coaster (roller_coaster_id DECIMAL, name TEXT, park TEXT, country_id DECIMAL, length DECIMAL, height DECIMAL, speed TEXT, opened TEXT, status TEXT)
CREATE TABLE country (country_id DECIMAL, name TEXT, population DECIMAL, area DECIMAL, languages TEXT)

What are the country names, area and population which has both roller coasters with speed higher
SELECT T1.name, T1.area, T1.population FROM country AS T1 JOIN roller_coaster AS T2 ON T1.country_id = T2.country_id WHERE T2.speed > 60 INTERSECT SELECT T1.name, T1.area, T1.population FROM country AS T1 JOIN roller_coaster AS T2 ON T1.country_id = T2.country_id WHERE T2.speed < 55
SELECT "T1"."name", "T1"."area", "T1"."population" FROM "country" AS "T1" JOIN "roller_coaster" AS "T2" ON "T1"."country_id" = "T2"."country_id" AND "T2"."speed" > 60 INTERSECT SELECT "T1"."name", "T1"."area", "T1"."population" FROM "country" AS "T1" JOIN "roller_coaster" AS "T2" ON "T1"."country_id" = "T2"."country_id" AND "T2"."speed" < 55