CREATE TABLE table_18305523_2 (cover_date VARCHAR2, story_title VARCHAR2)

How many cover dates does the story 'Devastation Derby! (part 1)' have?
SELECT COUNT(cover_date) FROM table_18305523_2 WHERE story_title = "DEVASTATION DERBY! (Part 1)"
SELECT COUNT("cover_date") FROM "table_18305523_2" WHERE "DEVASTATION DERBY! (Part 1)" = "story_title"