Tell me the player with econ of 4.23
CREATE TABLE "most_wickets_in_the_tournament" (
  "player" text,
  "overs" text,
  "runs" text,
  "wkts" text,
  "mdns" text,
  "econ" text
);
SELECT "player" FROM "most_wickets_in_the_tournament" WHERE "econ"='4.23';