Name the least week for september 19, 1976
{'header': ['Week', 'Date', 'Opponent', 'Result', 'Record', 'Game Site', 'Attendance'], 'page_title': '1976 Baltimore Colts season', 'section_title': 'Schedule', 'caption': 'Schedule', 'rows': [['1', 'September 12, 1976', 'at New England Patriots', 'W 27–13', '1–0', 'Schaeffer Stadium', '43512'], ['2', 'September 19, 1976', 'Cincinnati Bengals', 'W 28–27', '2–0', 'Memorial Stadium', '50374'], ['3', 'September 26, 1976', 'at Dallas Cowboys', 'L 27–30', '2–1', 'Texas Stadium', '64237'], ['4', 'October 3, 1976', 'Tampa Bay Buccaneers', 'W 42–17', '3–1', 'Memorial Stadium', '40053'], ['5', 'October 10, 1976', 'Miami Dolphins', 'W 28–14', '4–1', 'Memorial Stadium', '58832'], ['6', 'October 17, 1976', 'at Buffalo Bills', 'W 31–13', '5–1', 'Rich Stadium', '71009'], ['7', 'October 24, 1976', 'at New York Jets', 'W 20–0', '6–1', 'Shea Stadium', '59576'], ['8', 'November 1, 1976', 'Houston Oilers', 'W 38–14', '7–1', 'Memorial Stadium', '60020'], ['9', 'November 7, 1976', 'at San Diego Chargers', 'W 37–21', '8–1', 'San Diego Stadium', '42827'], ['10', 'November 14, 1976', 'New England Patriots', 'L 14–21', '8–2', 'Memorial Stadium', '58226'], ['11', 'November 22, 1976', 'at Miami Dolphins', 'W 17–16', '9–2', 'Miami Orange Bowl', '62104'], ['12', 'November 28, 1976', 'New York Jets', 'W 33–16', '10–2', 'Memorial Stadium', '44023'], ['13', 'December 4, 1976', 'at St. Louis Cardinals', 'L 17–24', '10–3', 'Busch Memorial Stadium', '48282']]}