user: Question: what is the circuit when the winner is Stan Jones and the race is Phillip Island Trophy Race?
Columns: ['Date', 'Race', 'Circuit', 'Location', 'Winner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['27 January', 'South Pacific Championship for Racing Cars', 'Gnoo Blas circuit', 'Orange , New South Wales', 'Jack Brabham *']
SQL:

assistant: SELECT "Circuit" FROM "Table" WHERE "Winner" = 'Stan Jones' AND "Race" = 'Phillip Island Trophy Race';