What are the lowest matches that have wickets greater than 16, 3/15 as the best, and an econ less than 8?
CREATE TABLE "wickets" (
  "player" text,
  "team" text,
  "matches" real,
  "overs" real,
  "runs" real,
  "wickets" real,
  "best" text,
  "econ" real,
  "s_rate" real,
  "4_inns" real,
  "5_inns" real,
  "average" real
);
SELECT MIN("matches") FROM "wickets" WHERE "wickets">16 AND "best"='3/15' AND "econ"<8;