What was the winning time in the year when the odds of the winner were 2.94?
CREATE TABLE "all_winners_of_olympiatravet" (
  "year" real,
  "horse" text,
  "driver" text,
  "trainer" text,
  "country_of_owner" text,
  "odds_of_winner" text,
  "winning_time_km_rate" text
);
SELECT "winning_time_km_rate" FROM "all_winners_of_olympiatravet" WHERE "odds_of_winner"='2.94';