What was the maximum 09-10 i/o best?
CREATE TABLE "men" (
  "rank" real,
  "ws_points" real,
  "name" text,
  "country" text,
  "09_10_i_o_best" real,
  "09_10_gp_jgp_best" real,
  "09_10_gp_jgp_2nd" real,
  "09_10_oi_best" real,
  "09_10_oi_2nd" real,
  "08_09_i_o_best" real,
  "08_09_gp_jgp_best" real,
  "08_09_gp_jgp_2nd" real,
  "08_09_oi_best" real,
  "08_09_oi_2nd" real
);
SELECT MAX("09_10_i_o_best") FROM "men";