user: Question: Who was the partner for the game on October 20, 2013?
Columns: ['Outcome', 'Date', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 'February 18, 2007', 'Hard', 'Hsieh Su-wei', 'Chan Yung-jan Chuang Chia-jung', '7–6 (7–4) , 2–6, [9–11]']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Date" = 'October 20, 2013';