user: Question: When was Leyton Orient an Away team?
Columns: ['Round', 'Date', 'Opponent', 'Venue', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', '10 November', 'Leyton Orient', 'Away', '1–1', '3,157']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Leyton Orient' AND "Venue" = 'Away';