user: Question: When were the Houston Texans the visiting team later in the season?
Columns: ['Week', 'Date', 'Visiting Team', 'Final Score', 'Host Team', 'Stadium']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [10.0, 'November 11', 'Baltimore Ravens', '21-26', 'Atlanta Falcons', 'Georgia Dome']
SQL:

assistant: SELECT MAX("Week") FROM "Table" WHERE "Visiting Team" = 'Houston Texans';