Computer Program to Take On ‘Jeopardy!’ (NYT)

it's ``who''

The new bid is based on three years of work by a team that has grown to 20 experts in fields like natural language processing, machine learning and information retrieval.

...
Mr. Friedman added that they were also thinking about whom the human contestants should be and were considering inviting Ken Jennings, the “Jeopardy!” contestant who won 74 consecutive times and collected $2.52 million in 2004.