user: Question: Which partner was on 14 April 2013?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponent in Final', 'Score in Final']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '5 July 2008', 'Budapest Grand Prix , Budapest, Hungary', 'Clay', 'Vanessa Henke', 'Alizé Cornet Janette Husárová', '7–6 (7–5) , 1–6, [6–10]']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Date" = '14 April 2013';