user: Question: Score F–A of 3–0, and a Date of 31 July 2007 had what opponents?
Columns: ['Date', 'Opponents', 'Venue', 'Result', 'Score F–A']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['16 July 2007', 'Hollenbach/Hohenlohe Auswahl', 'A', 'W', '2–0']
SQL:

assistant: SELECT "Opponents" FROM "Table" WHERE "Score F–A" = '3–0' AND "Date" = '31 July 2007';