What is the rank for a strike rate of 91.67?
CREATE TABLE "table1_21100348_11" (
  "rank" real,
  "strike_rate" text,
  "player" text,
  "innings" real,
  "balls_faced" real,
  "runs" real,
  "period" text
);
SELECT MAX("rank") FROM "table1_21100348_11" WHERE "strike_rate"='91.67';