CREATE TABLE "fide_april_2008_top_ten" (
  "rank" real,
  "prev" real,
  "player" text,
  "rating" real,
  "chng" text
);

Question: What player has a rating greater than 2746, with a prev less than 4, and +4 as the chng?
SQL: SELECT "player" FROM "fide_april_2008_top_ten" WHERE "rating">2746 AND "prev"<4 AND "chng"='+4';

Question: What chng has a rank greater than 6, with 12 as a prev?
SQL: SELECT "chng" FROM "fide_april_2008_top_ten" WHERE "rank">6 AND "prev"=12;

Question: What is the highest prev that has 9 as the rank, with a rating less than 2746?
SQL: SELECT MAX("prev") FROM "fide_april_2008_top_ten" WHERE "rank"=9 AND "rating"<2746;