CREATE TABLE table_name_19 (nation VARCHAR2, silver VARCHAR2, rank VARCHAR2, total VARCHAR2)

What nation had a rank higher than 4, a total of 2 medals and more than 0 silver medals?
SELECT nation FROM table_name_19 WHERE rank > 4 AND total = 2 AND silver > 0
SELECT "nation" FROM "table_name_19" WHERE "rank" > 4 AND "silver" > 0 AND "total" = 2