CREATE TABLE table_name_5 (type VARCHAR, approval_date VARCHAR, brand_name VARCHAR)

What's the type for the brand herceptin with an approval date of before 2006?
SELECT type FROM table_name_5 WHERE approval_date < 2006 AND brand_name = "herceptin"
SELECT "type" FROM "table_name_5" WHERE "approval_date" < 2006 AND "brand_name" = "herceptin"