user: Question: Who had the highest assists on March 18?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [59.0, 'March 3', '@ L.A. Lakers', 'L 89–99 (OT)', 'Marc Gasol , O. J. Mayo (17)', 'Marc Gasol (14)', 'Rudy Gay , Mike Conley, Jr. (6)', 'Staples Center 18,997', '15–44']
SQL:

assistant: SELECT MAX("High assists") FROM "Table" WHERE "Date" = 'March 18';