Table: celebrity_dance_scores
Columns: rank_by_average
place
couple
perfect_40s
total
number_of_dances
season
average

Question: What are all the places where the number of perfect 40s is 0 and the average is 27.25?
SQL: SELECT "place" FROM celebrity_dance_scores WHERE "perfect_40s" = 0 AND "average" = '27.25'

Question: What is the maximum total in which the average is 28.5?
SQL: SELECT MAX("total") FROM celebrity_dance_scores WHERE "average" = '28.5'

Question: What is the minimum number of perfect 40s?
SQL: SELECT MIN("perfect_40s") FROM celebrity_dance_scores