user: Question: What County has Dublin as the Opposition?
Columns: ['Rank', 'Player', 'County', 'Tally', 'Total', 'Opposition']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, "Michael 'Babs' Keating", 'Tipperary', '2-12', 18.0, 'Galway']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "Opposition" = 'Dublin';