CREATE TABLE table_name_48 (nation VARCHAR2, result VARCHAR2, year VARCHAR2, competition VARCHAR2)

What is the Nation with 2012 as the year, and a Competition of preseason, and a Result of w 0 3?
SELECT nation FROM table_name_48 WHERE year = 2012 AND competition = "preseason" AND result = "w 0–3"
SELECT "nation" FROM "table_name_48" WHERE "competition" = "preseason" AND "result" = "w 0–3" AND "year" = 2012