CREATE TABLE "international_albums" (
  "year" real,
  "lbum" text,
  "charts" text,
  "sales" real,
  "certification" text
);

Question: What was the average year that Xuxa 3 earned the certification 2x platinum, and that the sales were higher than 750,000?
SQL: SELECT AVG("year") FROM "international_albums" WHERE "certification"='2x platinum' AND "lbum"='xuxa 3' AND "sales">'750,000';

Question: What were the number of sales before 1991?
SQL: SELECT "sales" FROM "international_albums" WHERE "year"<1991;

Question: What álbum was in the year 1996?
SQL: SELECT "lbum" FROM "international_albums" WHERE "year"=1996;