What are the largest Cars Entered with a Winning Driver of rodger ward, and a Season smaller than 1959?
CREATE TABLE "world_championship_indy_500_summary" (
  "season" real,
  "cars_entered" real,
  "winning_driver" text,
  "second_driver" text,
  "third_driver" text,
  "race_report" text
);
SELECT MAX("cars_entered") FROM "world_championship_indy_500_summary" WHERE "winning_driver"='rodger ward' AND "season"<1959;