CREATE TABLE table_name_38 (points VARCHAR2, wins VARCHAR2, final_placing VARCHAR2)

Which Points have Wins of 0, and a Final Placing of 21st?
SELECT points FROM table_name_38 WHERE wins = "0" AND final_placing = "21st"
SELECT "points" FROM "table_name_38" WHERE "0" = "wins" AND "21st" = "final_placing"