CREATE TABLE table_name_4 (date VARCHAR, score VARCHAR, opponents VARCHAR)

What is Date, when Score is '0-2', and when Opponents is 'Bayer Leverkusen'?
SELECT date FROM table_name_4 WHERE score = "0-2" AND opponents = "bayer leverkusen"
SELECT "date" FROM "table_name_4" WHERE "0-2" = "score" AND "bayer leverkusen" = "opponents"