who had the pole position at rockingham circuit with adam christodoulou having the fastest lap?
CREATE TABLE "calendar" (
  "circuit" text,
  "date" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "winning_team" text
);
SELECT "pole_position" FROM "calendar" WHERE "fastest_lap"='adam christodoulou' AND "circuit"='rockingham';