Task: Question Understanding
Input (English): Passage: Hoping to rebound from their loss to the Saints, the Rams went home for an NFC West rivalry match against the Arizona Cardinals. In the first quarter, St. Louis got on the board first with kicker Josh Brown getting a 40-yard field goal. The Rams fell behind with QB Kurt Warner making a 5-yard touchdown pass to WR Anquan Boldin and then to WR Larry Fitzgerald on an 11-yard touchdown pass in the second quarter. The Cardinals lead extended as rookie RB Beanie Wells made a 1-yard touchdown run to end the half. The Rams replied in the third quarter with kicker Josh Brown making a 20-yard field goal. The Rams tried hard to come back into the game in the fourth quarter with RB Steven Jackson running 1 yard to the end zone for a touchdown, but the Cardinals' defense prevented the case, giving the Rams another loss. With this loss, the Rams fell to 1-9 and stay winless at home, with their home record at 0-5.
Question: how many yards did jackson run to the end zone?
Output (English): number