user: Question: WHat is tHe round wHen tHey played against MiddlesbrougH, and tHe H/a was H?
Columns: ['Date', 'Round', 'Opponents', 'H / A', 'Result F – A', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['26 September 1991', 'Round 2 First leg', 'Cambridge United', 'H', '3 – 0', 30934.0]
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opponents" = 'Middlesbrough' AND "H / A" = 'H';