CREATE TABLE table_name_11 (total NUMBER, rank VARCHAR2, gold VARCHAR2, silver VARCHAR2)

What is the sum of Total for 0 gold and less than 2, silver with a rank of 6?
SELECT SUM(total) FROM table_name_11 WHERE gold = 0 AND silver < 2 AND rank = "6"
SELECT SUM("total") FROM "table_name_11" WHERE "6" = "rank" AND "gold" = 0 AND "silver" < 2