What female fenced with a saber on the team that had an average fencer rank of 3.5?
CREATE TABLE "mixed_team_event" (
  "team" text,
  "female_p_e" text,
  "male_p_e" text,
  "female_foil" text,
  "male_foil" text,
  "female_saber" text,
  "male_saber" text,
  "average_fencers_rank" text,
  "initial_team_rank" real
);
SELECT "female_saber" FROM "mixed_team_event" WHERE "average_fencers_rank"='3.5';