List down the game platform ID and region name where the games achieved 20000 sales and below.
20000 sales and below refers to num_sales < 0.2;
SELECT T2.game_platform_id, T1.region_name FROM region AS T1 INNER JOIN region_sales AS T2 ON T1.id = T2.region_id WHERE T2.num_sales * 100000 <= 20000