Planet Terror Easter Egg - Death Proof came first

You remember the girl that had the broken down car? As she is stranded on the side of the road the DJ on the radio says "Dedicated to our own Jungle Julia, in loving memory." This shows that the incidents in Death Poof came before the incidents in Planet Terror.

and in deeath proof the doctor and his nurse wife from planet terror are in the hospital talking about the crash that happend in the scene before.