CREATE TABLE "step_races" (
  "race_name" real,
  "grade" text,
  "racecourse" text,
  "distance" text,
  "priority_entry_rights_to_derby" text
);

Question: What is the Grade that has Turf 1600m?
SQL: SELECT "grade" FROM "step_races" WHERE "priority_entry_rights_to_derby"='turf 1600m';

Question: What is the Priority-entry-rights to Derby in rank 4?
SQL: SELECT "priority_entry_rights_to_derby" FROM "step_races" WHERE "race_name"=4;