Question: What's the target of the antibody Rituximab?
SQL: SELECT "Target" FROM "2-1661124-1" WHERE "Antibody" = 'Rituximab';

Question: What's the target for the brand Mylotarg?
SQL: SELECT "Target" FROM "2-1661124-1" WHERE "Brand name" = 'Mylotarg';

Question: What's the type for the brand Herceptin with an approval date of before 2006?
SQL: SELECT "Type" FROM "2-1661124-1" WHERE "Approval date" < 2006.0 AND "Brand name" = 'Herceptin';