S28 Tournament of Champions Quarterfinal Game 1, show # 6173.

Contestants: Brad Rutter, a $3.2-million winner from Los Angeles, California (subtotal of $10,400) Watson, a deep question answering system from IBM (subtotal of $35,734) Ken Jennings, a 74-game champion from Seattle, Washington (subtotal of $4,800) The IBM Challenge game 2.