What was the place that had a main railway station of banbury and a population bigger than 28,672?
CREATE TABLE "settlements_on_m40_corridor" (
  "place" text,
  "population" real,
  "ceremonial_county" text,
  "main_railway_station" text,
  "motorway_junction" text
);
SELECT "place" FROM "settlements_on_m40_corridor" WHERE "population">'28,672' AND "main_railway_station"='banbury';