user: Question: What city is the Hidden Valley Raceway in?
Columns: ['Event Circuit', 'City / State', 'Date', 'Format', 'Winner', 'Team']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Phillip Island Grand Prix Circuit', 'Phillip Island , Victoria', '11 - 13 Feb', 'Two races', 'Garth Tander', 'Garry Rogers Motorsport']
SQL:

assistant: SELECT "City / State" FROM "Table" WHERE "Event Circuit" = 'Hidden Valley Raceway';