user: Question: Name the opponent for 12 May 2008
Columns: ['Match', 'Date', 'Opponent', 'Venue', 'Result', 'Turbine goals', 'Attendance', 'Report']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, '19 August 2007', 'TSV Crailsheim', 'Away', '1:0 (1:0)', 'none', 522.0, 'Report']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = '12 May 2008';