Table:
text: List of Australian Football League pre-season and night series premiers
Night series winners 1977–1987
Night series winners 1977–1987
Year_ Winners Grand_Finalist Scores Venue Crowd Margin Season_Result
1984 Essendon Sydney Swans 13.11 (89) – 5.8 (38) Waverley Park 30824 51 Premier
1985 Hawthorn Essendon 11.11 (77) – 10.8 (68) Waverley Park 24812 9 Grand Finalist
1986 Hawthorn Carlton 9.12 (66) – 5.6 (36) Waverley Park 19627 30 Premier

Question: In the Australian Football League pre-season and night series winners list, the 1977 and 1987 season premieres list the season result when the margin is 51?