Tell me the overs for mdns of 4
CREATE TABLE "most_wickets_in_the_tournament" (
  "player" text,
  "overs" text,
  "runs" text,
  "wkts" text,
  "mdns" text,
  "econ" text
);
SELECT "overs" FROM "most_wickets_in_the_tournament" WHERE "mdns"='4';