CREATE TABLE "performances_results" (
  "week" text,
  "theme" text,
  "song_choice" text,
  "original_artist" text,
  "result" text
);

Question: What week was the Original artist, the police ?
SQL: SELECT "week" FROM "performances_results" WHERE "original_artist"='the police';

Question: Which song garnered an advanced result during top 20 week ?
SQL: SELECT "song_choice" FROM "performances_results" WHERE "result"='advanced' AND "week"='top 20';