Filmmaker Sian Heder, who won Best Writing (Adapted Screenplay) at Oscars 2022 for her film 'CODA', said that she is stunned. 'CODA' also won Oscars for Best Picture and Best Supporting Actor. Taking to Twitter, she wrote, "Woke up this morning and realised this wasn't all a dream." 'CODA' is an adaptation of the 2014 French film 'La Famille Bélier'.