CREATE TABLE table_40939 ("Pilot" TEXT, "Original Airdate" TEXT, "Musical Guest/Song performed" TEXT, "YouTube Hero" TEXT, "MySpace Band" TEXT)

What is the Pilot number for the YouTube Hero greg pattillo?
SELECT "Pilot" FROM table_40939 WHERE "YouTube Hero" = 'greg pattillo'
SELECT "Pilot" FROM "table_40939" WHERE "YouTube Hero" = 'greg pattillo'