user: Question: What is the date of the game against the Royals that had an attendance of 12,699?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 1', 'White Sox', '8 - 0', 'Bannister (1-4)', '18,769', '9-10']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Royals' AND "Attendance" = '12,699';