user: Question: What is the highest number of ties?
Columns: ['Player', 'W-L (Total)', 'W-L ( Singles )', 'W-L ( Doubles )', 'Ties', 'Debut', 'Years Played']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: ['Ivana Abramović Category:Articles with hCards', '1–1', '0–1', '1–0', 1.0, 2004.0, 1.0]
SQL:

assistant: SELECT MAX("Ties") FROM "Table";