user: Question: What is the H/A in the Semi-final round where Oldham Athletic were the opponents?
Columns: ['Date', 'Round', 'Opponents', 'H / A', 'Result F – A', 'Scorers', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['7 January 1990', 'Round 3', 'Nottingham Forest', 'A', '1 – 0', "Robins 56'", 23072.0]
SQL:

assistant: SELECT "H / A" FROM "Table" WHERE "Opponents" = 'Oldham Athletic' AND "Round" = 'Semi-final';