CREATE TABLE "average_score_chart" (
  "rank_by_average" real,
  "place" real,
  "couple" text,
  "total_points" real,
  "number_of_dances" real,
  "average" text
);

Question: How many couples have an average of 25.3?
SQL: SELECT COUNT("couple") FROM "average_score_chart" WHERE "average"='25.3';

Question: How many different numbers of total dances are there for the couple ranked at number 6?
SQL: SELECT COUNT("number_of_dances") FROM "average_score_chart" WHERE "place"=6;

Question: What couple has an average of 17.2?
SQL: SELECT "couple" FROM "average_score_chart" WHERE "average"='17.2';

Question: What's the minimal number of dances a couple has danced?
SQL: SELECT MIN("number_of_dances") FROM "average_score_chart";

Question: What's the highest number a couple has ranked at?
SQL: SELECT MAX("place") FROM "average_score_chart";