Name the transit passengers for 171078
CREATE TABLE "2007_data" (
  "rank" real,
  "airport" text,
  "total_passengers" real,
  "pct_change_2006_2007" text,
  "international_passengers" real,
  "domestic_passengers" real,
  "transit_passengers" real,
  "aircraft_movements" real,
  "freight_metric_tonnes" real
);
SELECT MAX("transit_passengers") FROM "2007_data" WHERE "freight_metric_tonnes"=171078;