Table: bristol_rovers_season
Columns: round
date
opponent
venue
result
attendance

Question: When was the game played against Southampton?
SQL: SELECT "date" FROM bristol_rovers_season WHERE "opponent" = 'southampton'

Question: Which venue has 13,634 people in attendance?
SQL: SELECT "venue" FROM bristol_rovers_season WHERE "attendance" = '13,634'

Question: When was Leyton Orient an away team?
SQL: SELECT "date" FROM bristol_rovers_season WHERE "opponent" = 'leyton orient' AND "venue" = 'away'