Francois Barcomb, a New Paltz resident and high school physics teacher, won his first round on “Jeopardy!” Wednesday during the Teachers Tournament and advanced to the semifinals. The three-game semifinals air Monday through Wednesday — Barcomb's round, already taped, will be shown Tuesday. “Jeopardy!” airs at 7 p.m. weekdays on WABC-7.Barcomb was in the lead as the game went to Final Jeopardy.