CREATE TABLE "top_10_american_albums" (
  "rank" real,
  "artist" text,
  "album" text,
  "peak_position" real,
  "sales" real,
  "certification" text
);

Question: Which artist had a 4x platinum?
SQL: SELECT "artist" FROM "top_10_american_albums" WHERE "certification"='4x platinum';

Question: What was the highest peak position for the album one of the boys?
SQL: SELECT MAX("peak_position") FROM "top_10_american_albums" WHERE "album"='one of the boys';

Question: How many sales had a peak position of 1 and a certification of 6x platinum?
SQL: SELECT COUNT("sales") FROM "top_10_american_albums" WHERE "peak_position"=1 AND "certification"='6x platinum';

Question: What album had a peak position of 6 and a certification of 3x platinum?
SQL: SELECT "album" FROM "top_10_american_albums" WHERE "certification"='3x platinum' AND "peak_position"=6;

Question: How many sales had a peak position more than 2 and a Certification of 3x platinum?
SQL: SELECT COUNT("sales") FROM "top_10_american_albums" WHERE "peak_position">2 AND "certification"='3x platinum';