CREATE TABLE table_203_504 (id NUMBER, "#" NUMBER, "date" CLOB, "venue" CLOB, "opponent" CLOB, "score" CLOB, "result" CLOB, "competition" CLOB)

which other time was their the same score as the score in benin ?
SELECT "date" FROM table_203_504 WHERE "opponent" <> 'benin' AND "score" = (SELECT "score" FROM table_203_504 WHERE "opponent" = 'benin')
SELECT "date" FROM "table_203_504" WHERE "opponent" <> 'benin' AND "score" = (SELECT "score" FROM "table_203_504" WHERE "opponent" = 'benin')