user: Question: What team did the Brows play against on October 20, 1963 to a crowd larger than 55096?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 15, 1963', 'Washington Redskins', 'W 37–14', 57618.0]
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Attendance" > 55096.0 AND "Date" = 'October 20, 1963';