user: Question: Which tournament had a partner of Erika Sema?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents in the final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner–up', '15 September 2006', 'Torre del Greco', 'Clay', 'Emilia Desiderio', 'Andreea Roxana Vaideanu Erika Zanchetta', '1–6, 6–1, 1–6']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Partner" = 'Erika Sema';