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

Show the names of roller coasters and names of country they are in.
SELECT T2.name, T1.name FROM country AS T1 JOIN roller_coaster AS T2 ON T1.country_id = T2.country_id
SELECT "T2"."name", "T1"."name" FROM "country" "T1" JOIN "roller_coaster" "T2" ON "T1"."country_id" = "T2"."country_id"