CREATE TABLE table_204_248 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

what was the number of gold medals won by vietnam during the 2013 competition ?
SELECT "gold" FROM table_204_248 WHERE "nation" = 'vietnam'
SELECT "gold" FROM "table_204_248" WHERE "nation" = 'vietnam'