Task: Question Understanding
Input (English): Passage: Coming off their divisional road win over the Chiefs, the Raiders went home for a Week 13 AFC West rematch with the Denver Broncos.  In the first quarter, Oakland stormed ahead early as QB Josh McCown completed a 15-yard TD pass to WR Tim Dwight.  Afterwards, the Broncos answered with RB Travis Henry getting a 4-yard TD run.  In the second quarter, the Raiders regained the lead with McCown completing a 13-yard TD pass to TE Zach Miller for the only score of the period. In the third quarter, Oakland increased its lead with kicker Sebastian Janikowski getting a 38-yard field goal, while McCown completed a 13-yard TD pass to WR Jerry Porter.  Denver managed to keep itself in the game with kicker Jason Elam getting a 29-yard and a 44-yard field goal.  In the fourth quarter, the Broncos got close as Henry got a 3-yard TD run.  Afterwards, the Raiders pulled away with Janikowski connecting on a 44-yard field goal, while RB Justin Fargas managed to get a 5-yard TD run. For the Raiders, the win marked back-to-back divisional win after losing their previous 17 AFC West games. During the second quarter, rookie QB JaMarcus Russell made his NFL debut as he completed 4 of 7 for 56 yards.
Question: How many yards per pass attempt did JaMarcus Russell have?
Output (English): number