NEW YORK -- Friday's “Jeopardy!” match marked a turning point for the game show's latest mega-champ.The latest long-time champ on “Jeopardy!” has seen her winning streak end at 23 — by a single dollar.Mattea Roach, a tutor from Toronto, saw her winning streak end at 23 — by a single dollar.Roach earned $560,983 during her run on the game show. She's has one of the five longest winning streaks in “Jeopardy!” history, but didn't come close to Ken Jennings' record of 74 consecutive wins.Danielle Maurer, a marketing manager from Peachtree Corners, Georgia, beat Roach on Friday's show by a margin of $15,600 to $15,599.Unlike her second-to-last match, Roach went into the final question with the lead Friday.