user: Question: How many points when John Vopni won a season before 1977?
Columns: ['Season', 'Winner', 'Team', 'Goals', 'Assists', 'Points']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2009.0, 'Dan Watt', 'Winnipeg Saints', '62', '74', '136']
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Season" < 1977.0 AND "Winner" = 'John Vopni';