Historical clue formulations

• "You can't teach ___ dog ..." — 2012-11-27
• "You can't teach ___ dog ..." — 2009-12-29
• "You can't teach ___..." — 1997-04-18
• "There was ___ woman..." — 1997-04-04
• "There was _____ woman who..." — 1995-11-19