CREATE TABLE "discus_throw" (
  "rank" real,
  "athlete" text,
  "country" text,
  "distance_metres" text,
  "points" text,
  "adjusted_points" real
);

Question: Name the country that has ken doherty
SQL: SELECT "country" FROM "discus_throw" WHERE "athlete"='Ken Doherty';

Question: Name the athlete for 7 rank
SQL: SELECT "athlete" FROM "discus_throw" WHERE "rank"=7;

Question: Name the total number of rank for tom churchill
SQL: SELECT COUNT("rank") FROM "discus_throw" WHERE "athlete"='Tom Churchill';