user: Question: WHat is tHe average attendance for tHe date of 7 November 2007 witH an H/A of H?
Columns: ['Date', 'Opponents', 'H / A', 'Result F–A', 'Attendance', 'Group position']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['19 September 2007', 'Sporting CP', 'A', '1–0', 41510.0, '2nd']
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "H / A" = 'H' AND "Date" = '7 November 2007';