What is the distance in 2006?
CREATE TABLE "winners_of_the_allaire_du_pont_distaff_s" (
  "year" real,
  "winner" text,
  "jockey" text,
  "trainer" text,
  "owner" text,
  "distance" text,
  "time" text,
  "purse" text
);
SELECT "distance" FROM "winners_of_the_allaire_du_pont_distaff_s" WHERE "year"=2006;