Table: dwtstars_season8
Columns: rank_by_average
place
couple
total_points
number_of_dances
average

Question: How many couples have an average of 25.3?
SQL: SELECT COUNT("couple") FROM dwtstars_season8 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 dwtstars_season8 WHERE "place" = 6

Question: What couple has an average of 17.2?
SQL: SELECT "couple" FROM dwtstars_season8 WHERE "average" = '17.2'

Question: What's the minimal number of dances a couple has danced?
SQL: SELECT MIN("number_of_dances") FROM dwtstars_season8

Question: What's the highest number a couple has ranked at?
SQL: SELECT MAX("place") FROM dwtstars_season8