How many division championships did the Pittsburgh Steelers have?
{'header': ['Teams With Division Titles', 'Division Championships', 'Playoff Berths', 'AFC Titles', 'Super Bowl Wins'], 'page_title': 'AFC North', 'page_id': '', 'types': ['text', 'real', 'real', 'real', 'real'], 'id': '1-1952065-4', 'section_title': 'Total playoff berths', 'caption': 'Total playoff berths', 'rows': [['Pittsburgh Steelers', '20', '26', '8', '6'], ['Cleveland Browns', '9', '15', '0', '0'], ['Cincinnati Bengals', '8', '11', '2', '0'], ['Baltimore Ravens', '4', '9', '2', '2'], ['Tennessee Titans *', '3', '12', '1', '0']], 'name': 'table_1952065_4'}