user: Question: Which nominating festival nominated Iao Lethem's film?
Columns: ['Category', 'Film', 'Director(s)', 'Country', 'Nominating Festival']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Short Film 2003 Prix UIP', '(A) Torzija', 'Stefan Arsenijevic', 'Serbia , Slovenia', 'Prix UIP Berlin']
SQL:

assistant: SELECT "Nominating Festival" FROM "Table" WHERE "Director(s)" = 'Iao Lethem';