CREATE TABLE table_20927 ("Antibody" TEXT, "Brand name" TEXT, "Approval date" FLOAT, "Type" TEXT, "Target" TEXT, "Approved treatment ( s ) " TEXT)

What is the brand name for the antibody Brentuximab Vedotin?
SELECT "Brand name" FROM table_20927 WHERE "Antibody" = 'Brentuximab vedotin'
SELECT "Brand name" FROM "table_20927" WHERE "Antibody" = 'Brentuximab vedotin'