CREATE TABLE table_68693 ("Episode #" FLOAT, "Title" CLOB, "Part 1" CLOB, "Part 2" CLOB, "Part 3" CLOB, "Part 4" CLOB, "Part 5" CLOB, "Part 6" CLOB)

When is Part 2, when Part 4 is on December 9, 2007?
SELECT "Part 2" FROM table_68693 WHERE "Part 4" = 'december 9, 2007'
SELECT "Part 2" FROM "table_68693" WHERE "Part 4" = 'december 9, 2007'