Historical clue formulations

• Like runs caused by errors — 2016-05-14
• Scored due to an error — 2011-06-11
• Like some income — 2005-11-17
• Like some income — 2004-11-14
• Like some runs — 2004-10-29
• Like some income — 2002-01-04
• Like some income on a 1040 — 1998-07-27