CREATE TABLE table_30987 ("Round" FLOAT, "Circuit" TEXT, "Date" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winning Rider" TEXT, "Winning Team" TEXT)

Who had the pole position when matt davies had the fastest lap?
SELECT "Pole Position" FROM table_30987 WHERE "Fastest Lap" = 'Matt Davies'
SELECT "Pole Position" FROM "table_30987" WHERE "Fastest Lap" = 'Matt Davies'