user: Question: What is the attendance at the dallas home game on may 12?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['May 8', 'Dallas', '1 – 4', 'Detroit', 'Turco', 20066.0]
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Home" = 'dallas' AND "Date" = 'may 12';