What was the smallest numbered rank for Michael Bevan?
CREATE TABLE "table1_21100348_10" (
  "rank" real,
  "average" text,
  "player" text,
  "runs" real,
  "innings" real,
  "not_out" real,
  "period" text
);
SELECT MIN("rank") FROM "table1_21100348_10" WHERE "player"='Michael Bevan';