CREATE TABLE "judges_scoring_summary" (
  "couple" text,
  "week_1" real,
  "week_2" real,
  "week_3" real,
  "week_4" text,
  "week_5" text,
  "week_6" text,
  "week_7" text,
  "week_8_final" text
);

Question: How many week 2 scores have a week 7 score of 40 + 40 = 80?
SQL: SELECT COUNT("week_2") FROM "judges_scoring_summary" WHERE "week_7"='40 + 40 = 80';

Question: What is the smallest week 3 score?
SQL: SELECT MIN("week_3") FROM "judges_scoring_summary";

Question: Which couple had a week 2 score of exactly 23?
SQL: SELECT "couple" FROM "judges_scoring_summary" WHERE "week_2"=23;