What is the highest YARDS with a TCKL more than 51 and less than 2 SACK?
CREATE TABLE "high_school_statistics" (
  "year" text,
  "tckl" real,
  "sack" real,
  "p_ko_ret" real,
  "yards" real
);
SELECT MAX("yards") FROM "high_school_statistics" WHERE "tckl">51 AND "sack"<2;