CREATE TABLE table_203_164 (id NUMBER, "#" NUMBER, "date" CLOB, "venue" CLOB, "opponent" CLOB, "score" CLOB, "result" CLOB, "competition" CLOB)

which opponents scored no goals ?
SELECT "opponent" FROM table_203_164 WHERE "score" = 0
SELECT "opponent" FROM "table_203_164" WHERE "score" = 0