How many innings are there when the average is 32.3?
CREATE TABLE "most_career_runs" (
  "rank" real,
  "runs" real,
  "average" text,
  "strike_rate" text,
  "player" text,
  "matches" real,
  "innings" real,
  "period" text
);
SELECT MIN("innings") FROM "most_career_runs" WHERE "average"='32.3';