What is the lowest overs of the Chennai Super Kings when the Economy Rate is less than 5.92 with a Best Bowling number of 2/17?
CREATE TABLE "best_economy" (
  "player" text,
  "team" text,
  "matches" real,
  "overs" real,
  "economy_rate" real,
  "wickets" real,
  "average" real,
  "strike_rate" real,
  "best_bowling" text
);
SELECT MIN("overs") FROM "best_economy" WHERE "team"='chennai super kings' AND "best_bowling"='2/17' AND "economy_rate"<5.92;