user: Question: Which films participated when the category was Best Newcomer?
Columns: ['Film Festival', 'Date of ceremony', 'Category', 'Participants/Recipients', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['15th Pusan International Film Festival', '7–15 October 2010', 'Opening Film (International Premiere)', 'Under the Hawthorn Tree', 'Participant']
SQL:

assistant: SELECT MIN("Participants/Recipients") FROM "Table" WHERE "Category" = 'Best Newcomer';