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

Question: What week #(s featured sara bareilles as the original artist?
SQL: SELECT "week_num" FROM "performances_results" WHERE "original_artist"='Sara Bareilles';

Question: What week # featured first solo as the theme?
SQL: SELECT "week_num" FROM "performances_results" WHERE "theme"='First Solo';

Question: How many weeks featured duffy as the original artist?
SQL: SELECT COUNT("theme") FROM "performances_results" WHERE "original_artist"='Duffy';

Question: Who was the originally artist when Jasmine Murray was selected?
SQL: SELECT "original_artist" FROM "performances_results" WHERE "result"='Selected';