CREATE TABLE table_1217448_1 (cover_date VARCHAR2, character_s_ VARCHAR2)

what's the cover date where character(s) is sandman (wesley dodds)
SELECT cover_date FROM table_1217448_1 WHERE character_s_ = "Sandman (Wesley Dodds)"
SELECT "cover_date" FROM "table_1217448_1" WHERE "Sandman (Wesley Dodds)" = "character_s_"