CREATE TABLE "running_backs" (
  "player" text,
  "car" real,
  "yards" real,
  "avg" real,
  "td_s" real,
  "long" real
);

Question: What is the average for the RB with an 8 yard long?
SQL: SELECT COUNT("avg") FROM "running_backs" WHERE "long"=8;

Question: How many yards for the RB with over 4 carries, 2 TDs, and a long greater than 8?
SQL: SELECT COUNT("yards") FROM "running_backs" WHERE "car">4 AND "td_s"=2 AND "long">8;