user: Question: On what ground was the game on 31 Jul 2007?
Columns: ['Match', 'Date', 'Competition or tour', 'Ground', 'Opponent', 'Score1']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '7 Jul 2007', 'Pre-season', 'A', 'Shelbourne', '2 - 0']
SQL:

assistant: SELECT "Ground" FROM "Table" WHERE "Date" = '31 Jul 2007';