user: Question: Who are all the opponents of Slovakia?
Columns: ['Edition', 'Round', 'Date', 'Partnering', 'Against', 'Surface', 'Opponents', 'W/L', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2007 Davis Cup Europe/Africa Group I', '1R', '9–11 February 2007', 'Frederico Gil', 'Georgia', 'Carpet', 'Lado Chikladze Irakli Labadze', 'Loss', '6–7 (6–7) , 7–6 (9–7) , 6–7 (4–7) , 7–5, 3–6']
SQL:

assistant: SELECT "Opponents" FROM "Table" WHERE "Against" = 'Slovakia';