What is the smallest 07-08 oi best value?
CREATE TABLE "ice_dancing" (
  "rank" real,
  "ws_points" real,
  "name" text,
  "country" text,
  "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,
  "07_08_i_o_best" real,
  "07_08_gp_jgp_best" real,
  "07_08_gp_jgp_2nd" real,
  "07_08_oi_best" real,
  "07_08_oi_2nd" real
);
SELECT MIN("07_08_oi_best") FROM "ice_dancing";