user: Question: What is the total number of weeks that the Giants played against the dallas cowboys?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Channel', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 3, 2000', 'Arizona Cardinals', 'W 21–16', 'FOX 4:15', '77,434']
SQL:

assistant: SELECT COUNT("Week") FROM "Table" WHERE "Opponent" = 'dallas cowboys';