user: Question: In what Week was the Attendance 43430?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 7, 1986', 'at Kansas City Chiefs', 'L 24–14', 43430.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Attendance" = 43430.0;