Task: Question Answering
Input (English): Passage: In week 8, the Lions hosted the Seattle Seahawks. Seattle started the scoring with a 23-yard field goal by Steven Hauschka. The Lions then took the lead when Ryan Broyles caught a 6-yard touchdown pass from Matthew Stafford. In the second quarter, the Seahawks scored 2 consecutive touchdowns: first with a Marshawn Lynch 77-yard run, then with a Sidney Rice 9-yard catch from Russell Wilson. The Lions responded with a Titus Young 46-yard touchdown pass from Matthew Stafford. After a scoreless third quarter, the Lions took the lead back when Matthew Stafford ran in a touchdown from 1 yard out. Seattle went up by 3 points with a Zach Miller 16-yard catch from Russell Wilson. The Lions' Titus Young then scored the game-winning touchdown with 1-yard pass from Matthew Stafford. 
Question: How many yards was the longest touchdown run? 
Answer type: Number 
Output (English): 77.