CREATE TABLE "enrollment" (
  "year" text,
  "district_wide" real,
  "high_schools" real,
  "middle_schools" real,
  "elementary_schools" real,
  "other_programs_adjustments" real
);

Question: Name the most high schools for 31851
SQL: SELECT MAX("high_schools") FROM "enrollment" WHERE "district_wide"=31851;

Question: Name the most district wide for 1639 other programs
SQL: SELECT MAX("district_wide") FROM "enrollment" WHERE "other_programs_adjustments"=1639;

Question: Name the total number of elementary schools for 31851
SQL: SELECT COUNT("elementary_schools") FROM "enrollment" WHERE "district_wide"=31851;

Question: Name the most middle schools for 2005-2006
SQL: SELECT MAX("middle_schools") FROM "enrollment" WHERE "year"='2005-2006';