user: Question: Which date's visitor was Jazz, when the leading scorer was Mehmet Okur (22)?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['April 2', 'Timberwolves', 'W 117–100 (OT)', 'Jazz', 'Mehmet Okur (22)', '50–26']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Visitor" = 'Jazz' AND "Leading scorer" = 'Mehmet Okur (22)';