CREATE TABLE "top_40_singles_of_2004" (
  "position" real,
  "song_title" text,
  "artist" text,
  "sales" real,
  "highest_position" real
);

Question: What is the most sales by a song with a position higher than 3?
SQL: SELECT MAX("sales") FROM "top_40_singles_of_2004" WHERE "highest_position">3;

Question: What were the sales for Dj Casper when he was in a position lower than 13?
SQL: SELECT "sales" FROM "top_40_singles_of_2004" WHERE "position"<13 AND "artist"='dj casper';