CREATE TABLE table_4988 ("Circuit" TEXT, "Location / State" TEXT, "Date" TEXT, "Winner" TEXT, "Team" TEXT)

What location and state has a circuit of Phillip Island Grand Prix Circuit?
SELECT "Location / State" FROM table_4988 WHERE "Circuit" = 'phillip island grand prix circuit'
SELECT "Location / State" FROM "table_4988" WHERE "Circuit" = 'phillip island grand prix circuit'