what is the circuit where the fastest lap is sam lowes and the winning rider is luca scassa?
CREATE TABLE "season_calendar" (
  "round" real,
  "country" text,
  "circuit" text,
  "date" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_rider" text,
  "winning_team" text,
  "report" text
);
SELECT "circuit" FROM "season_calendar" WHERE "fastest_lap"='Sam Lowes' AND "winning_rider"='Luca Scassa';