what is the highest rank in dresden with a time faster than 10.88?
CREATE TABLE "junior_under_20_women" (
  "rank" real,
  "fastest_time_s" real,
  "wind_m_s" real,
  "athlete" text,
  "nation" text,
  "date" text,
  "location" text
);
SELECT MAX("rank") FROM "junior_under_20_women" WHERE "location"='dresden' AND "fastest_time_s"<10.88;