CREATE TABLE table_48181 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Channel" TEXT, "Attendance" TEXT)

What is the total number of weeks that the Giants played against the Dallas Cowboys?
SELECT COUNT("Week") FROM table_48181 WHERE "Opponent" = 'dallas cowboys'
SELECT COUNT("Week") FROM "table_48181" WHERE "Opponent" = 'dallas cowboys'