user: Question: Which Tournament has a Partner of Karel Nováček?
Columns: ['Date', 'Tournament', 'Surface', 'Partner', 'Opponent in the final', 'Score in the final']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1988.0, 'Gstaad , Switzerland', 'Clay', 'Milan Šrejber', 'Andrés Gómez Emilio Sánchez', '7–6, 7–6']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Partner" = 'Karel Nováček';