CREATE TABLE table_16808 ("Week" TEXT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Kickoff [a ]" TEXT, "Game site" TEXT, "TV" TEXT, "Attendance" TEXT, "Record" TEXT)

How many times was there a kickoff in the September 4, 1988 game?
SELECT COUNT("Kickoff [a ]") FROM table_16808 WHERE "Date" = 'September 4, 1988'
SELECT COUNT("Kickoff [a ]") FROM "table_16808" WHERE "Date" = 'September 4, 1988'