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 | Round | Opponents | H / A | Result F – A | Scorers | Attendance |
| --- | --- | --- | --- | --- | --- | --- |
| 7 January 1990 | Round 3 | Nottingham Forest | A | 1 – 0 | Robins 56' | 23072.0 |
| 28 January 1990 | Round 4 | Hereford United | A | 1 – 0 | Blackmore 86' | 13777.0 |
| 18 February 1990 | Round 5 | Newcastle United | A | 3 – 2 | Robins 19', Wallace 60', McClair 77' | 31748.0 |
| 11 March 1990 | Round 6 | Sheffield United | A | 1 – 0 | McClair 29' | 34344.0 |
| 8 April 1990 | Semi-final | Oldham Athletic | N | 3 – 3 ( a.e.t. ) | Robson 29', Webb 72', Wallace 92' | 44026.0 |
| 11 April 1990 | Semi-final Replay | Oldham Athletic | N | 2 – 1 ( a.e.t. ) | McClair 50', Robins 114' | 35005.0 |
| 12 May 1990 | Final | Crystal Palace | N | 3 – 3 ( a.e.t. ) | Robson 35', Hughes (2) 62', 113' | 80000.0 |
| 17 May 1990 | Final Replay | Crystal Palace | N | 1 – 0 | Martin 59' | 80000.0 |
Question:
What is the H/A in the semi-final round where oldham athletic were the opponents?
Answer:
N