Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Opponent | Venue | Result | Attendance |
| --- | --- | --- | --- | --- |
| 21 July 2006 | Gainsborough Trinity | Away | Lost 2-1 | Unknown |
| 25 July 2006 | Middlesbrough | Home | Lost 0-1 | 1,342 |
| 26 July 2006 | Stocksbridge Park Steels | Away | Lost 2-0 | Unknown |
| 28 July 2006 | Darlington | Away | Lost 2-0 | 598 |
| 1 August 2006 | Leeds United | Home | Won 2-0 | 1,511 |
| 4 August 2006 | Frickley Athletic | Away | Won 1-3 | 242 |
Question:
Which opponent has unknown attendance, and lost 2-0?
Answer:
Stocksbridge Park Steels