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

Question: What was the result for Barreto when his song choice was "Olhar 43"?
SQL: SELECT "result" FROM "performances" WHERE "song_choice"='\"Olhar 43\"';

Question: What was Barreto's song choice when the theme was samba?
SQL: SELECT "song_choice" FROM "performances" WHERE "theme"='Samba';

Question: What was Barreto's song choice where the original artist was Patricia Marx?
SQL: SELECT "song_choice" FROM "performances" WHERE "original_artist"='Patricia Marx';

Question: In which week # was the original artist of Barreto's song choice was Leila Pinheiro?
SQL: SELECT "week_num" FROM "performances" WHERE "original_artist"='Leila Pinheiro';

Question: Who is the original artist of "É Preciso Saber Viver"?
SQL: SELECT "original_artist" FROM "performances" WHERE "song_choice"='\"É Preciso Saber Viver\"';