CREATE TABLE table_name_43 (silver INT, total VARCHAR, rank VARCHAR)

What is the sum of silver medals for the entry with rank 3 and a total of 4 medals?
SELECT SUM(silver) FROM table_name_43 WHERE total = 4 AND rank = "3"
SELECT SUM("silver") FROM "table_name_43" WHERE "3" = "rank" AND "total" = 4