user: Question: What was the team performance in 1977?
Columns: ['Year', 'NFL Team', 'Position', 'Team Defense Rank', 'Team Performance']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [1971.0, 'Minnesota Vikings', 'Defensive tackle', 2.0, 'NFC Division champ']
SQL:

assistant: SELECT "Team Performance" FROM "Table" WHERE "Year" = 1977.0;