Table:
text: Jets–Patriots rivalry
1970s (Jets 12–8)
1970s (Jets 12–8)
Year_ Date_ Winner Result_ Loser Location_
1970 September 27 New York Jets 31–21 Boston Patriots Harvard Stadium
1970 November 22 New York Jets 17–3 Boston Patriots Shea Stadium
1971 October 10 New England Patriots 20–0 New York Jets Schaefer Stadium
1971 December 12 New York Jets 13–6 New England Patriots Shea Stadium
1972 October 15 New York Jets 41–13 New England Patriots Schaefer Stadium
1972 October 29 New York Jets 34–10 New England Patriots Shea Stadium
1973 October 14 New York Jets 9–7 New England Patriots Schaefer Stadium
1973 November 11 New York Jets 33–13 New England Patriots Shea Stadium

text: Jets–Patriots rivalry
1970s (Jets 12–8)
1970s (Jets 12–8)
Year_ Date_ Winner Result_ Loser Location_
1974 October 13 New England Patriots 24–0 New York Jets Shea Stadium
1974 November 17 New York Jets 21–16 New England Patriots Schaefer Stadium
1975 October 5 New York Jets 36–7 New England Patriots Shea Stadium
1975 December 7 New York Jets 30–28 New England Patriots Schaefer Stadium
1976 October 18 New England Patriots 41–7 New York Jets Schaefer Stadium
1976 November 21 New England Patriots 38–24 New York Jets Shea Stadium
1977 October 2 New York Jets 30–27 New England Patriots Shea Stadium
1977 October 30 New England Patriots 24–13 New York Jets Schaefer Stadium
1978 October 29 New England Patriots 55–21 New York Jets Schaefer Stadium

text: Jets–Patriots rivalry
1970s (Jets 12–8)
1970s (Jets 12–8)
Year_ Date_ Winner Result_ Loser Location_
1978 November 19 New England Patriots 19–17 New York Jets Shea Stadium
1979 September 9 New England Patriots 56–3 New York Jets Schaefer Stadium
1979 December 9 New York Jets 27–26 New England Patriots Shea Stadium

Question: What was the earliest year the New York Jets won in the 1970s at Harvard Stadium (Jets 12–8) in the Jets–Patriots rivalry?