CREATE TABLE table_30336 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Story & Storyboards by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

How many different pairs of people did the story and storyboard of the episode titled 'Milo's big idea'?
SELECT COUNT("Story & Storyboards by") FROM table_30336 WHERE "Title" = 'Milo''s Big Idea'
SELECT COUNT("Story & Storyboards by") FROM "table_30336" WHERE "Title" = 'Milo\'s Big Idea'