CREATE TABLE "rushing" (
  "player" text,
  "attempts" real,
  "net_yards" real,
  "yards_per_attempt" real,
  "touchdowns" real
);

Question: What are the highest attempts that have net yards less than 631, and 2 for the touchdowns?
SQL: SELECT MAX("attempts") FROM "rushing" WHERE "net_yards"<631 AND "touchdowns"=2;

Question: What are the average net yards that have 9 as the touchdowns, 145 as the attempts, and yards per attempt greater than 4.8?
SQL: SELECT AVG("net_yards") FROM "rushing" WHERE "touchdowns"=9 AND "attempts"=145 AND "yards_per_attempt">4.8;

Question: How many yards per attempt have net yards greater than 631?
SQL: SELECT SUM("yards_per_attempt") FROM "rushing" WHERE "net_yards">631;

Question: What are the highest touchdowns that have net yards greater than 631, with attempts less than 145?
SQL: SELECT MAX("touchdowns") FROM "rushing" WHERE "net_yards">631 AND "attempts"<145;