CREATE TABLE table_51710 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What is the Attendance with Opponent Dallas Cowboys in a Week greater than 5?
SELECT SUM("Attendance") FROM table_51710 WHERE "Opponent" = 'dallas cowboys' AND "Week" > '5'
SELECT SUM("Attendance") FROM "table_51710" WHERE "Opponent" = 'dallas cowboys' AND "Week" > '5'