sentences:  Nolan challenged the play, arguing that Davis was down by contact at the Pittsburgh 5.Referee Gerry Austin ruled instead that the ball had hit the ground, and that the pass was therefore incomplete (the Niners still won the challenge, as the original call of an interception was overturned).The 49ers could not drive any further, and Nedney kicked a 49-yard field goal to make it 17–9, Pittsburgh.