CREATE TABLE "receiving" (
  "player" text,
  "number" real,
  "yards" real,
  "average" real,
  "long" real,
  "touchdowns" real
);

Question: What is Larry Centers' average number when there were less than 600 yards?
SQL: SELECT AVG("number") FROM "receiving" WHERE "player"='larry centers' AND "yards"<600;

Question: What is the highest number when there were more than 50 long and less than 762 yards?
SQL: SELECT MAX("number") FROM "receiving" WHERE "long">50 AND "yards"<762;

Question: What is the highest amount of yards when the average is 9.5?
SQL: SELECT MAX("yards") FROM "receiving" WHERE "average"=9.5;