CREATE TABLE table_47077 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" FLOAT)

What is the lowest attendance when the Atlanta Falcons were the opponent?
SELECT MIN("Week") FROM table_47077 WHERE "Opponent" = 'atlanta falcons'
SELECT MIN("Week") FROM "table_47077" WHERE "Opponent" = 'atlanta falcons'