Task: Question Generation
Input (English): Passage: Hoping to rebound from their loss to the Dolphins, the Bills flew to Lambeau Field for an interconference duel with the Packers. In the 1st quarter Buffalo trailed early as kicker Mason Crosby made a 44 and a 24-yard field goal, followed by RB Brandon Jackson getting a 1-yard TD run. The Bills made their only score of the game in the 2nd quarter when RB Fred Jackson made a 3-yard TD run. In the third quarter the Bills struggled further when QB Aaron Rodgers completed a 7-yard TD pass to WR Donald Driver, followed by Rodgers scrambling 9&#160;yards to the endzone for a touchdown. The Packers increased their lead in the fourth when Rodgers made a 30-yard touchdown pass to WR James Jones.
Output (English): What was the common last name for the runningbacks that scored the initial two touchdowns?