what is the total number of kickoff [a ] where week is week
{'header': ['Week', 'Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'TV', 'Attendance', 'Record'], 'page_title': '1980 Tampa Bay Buccaneers season', 'section_title': 'Schedule', 'caption': 'Schedule', 'rows': [['Week', 'Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'TV', 'Attendance', 'Record'], ['1', 'September 7, 1980', 'at Cincinnati Bengals', 'W 17-12', '1:00', 'Riverfront Stadium', 'CBS', '35,551', '1-0'], ['2', 'September 11, 1980', 'Los Angeles Rams', 'W 10-9', '9:00', 'Tampa Stadium', 'ABC', '66,576', '2-0'], ['3', 'September 21, 1980', 'at Dallas Cowboys', 'L 28-17', '4:00', 'Texas Stadium', 'CBS', '62,750', '2-1'], ['4', 'September 28, 1980', 'Cleveland Browns', 'L 34-27', '1:00', 'Tampa Stadium', 'NBC', '65,540', '2-2'], ['5', 'October 6, 1980', 'at Chicago Bears', 'L 23-0', '9:00', 'Soldier Field', 'ABC', '61,350', '2-3'], ['6', 'October 12, 1980', 'Green Bay Packers', 'T 14-14 OT', '1:00', 'Tampa Stadium', 'CBS', '64,854', '2-3-1'], ['7', 'October 19, 1980', 'at Houston Oilers', 'L 20-14', '4:00', 'Houston Astrodome', 'CBS', '48,167', '2-4-1'], ['8', 'October 26, 1980', 'at San Francisco 49ers', 'W 24-23', '4:00', 'Candlestick Park', 'CBS', '51,925', '3-4-1'], ['9', 'November 2, 1980', 'New York Giants', 'W 30-13', '1:00', 'Tampa Stadium', 'CBS', '68,256', '4-4-1'], ['10', 'November 9, 1980', 'Pittsburgh Steelers', 'L 24-21', '1:00', 'Tampa Stadium', 'NBC', '71,636', '4-5-1'], ['11', 'November 16, 1980', 'at Minnesota Vikings', 'L 38-30', '2:00', 'Metropolitan Stadium', 'CBS', '46,032', '4-6-1'], ['12', 'November 23, 1980', 'Detroit Lions', 'L 24-10', '1:00', 'Tampa Stadium', 'CBS', '64,976', '4-7-1'], ['13', 'November 30, 1980', 'at Green Bay Packers', 'W 20-17', '2:00', 'Milwaukee County Stadium', 'CBS', '54,225', '5-7-1'], ['14', 'December 7, 1980', 'Minnesota Vikings', 'L 21-10', '1:00', 'Tampa Stadium', 'CBS', '65,649', '5-8-1'], ['15', 'December 14, 1980', 'at Detroit Lions', 'L 27-14', '4:00', 'Pontiac Silverdome', 'CBS', '77,098', '5-9-1']]}