Question: Which opponent has Unknown attendance, and Lost 2-0?
SQL: SELECT "Opponent" FROM "2-10017434-1" WHERE "Attendance" = 'Unknown' AND "Result" = 'Lost 2-0';

Question: What is the result from the Leeds United opponent?
SQL: SELECT "Result" FROM "2-10017434-1" WHERE "Opponent" = 'Leeds United';

Question: What is the attendance rate for the Middlesbrough opponent?
SQL: SELECT "Attendance" FROM "2-10017434-1" WHERE "Opponent" = 'Middlesbrough';