CREATE TABLE "comparison_table_of_hp_laser_jet_4000_mo" (
  "model" real,
  "introduction" text,
  "discontinued" text,
  "cpu_speed" text,
  "print_speed_ppm" text,
  "standard_memory" text,
  "maximum_memory" text
);

Question: Which model has a CPU speed of 133mhz?
SQL: SELECT "model" FROM "comparison_table_of_hp_laser_jet_4000_mo" WHERE "cpu_speed"='133mhz';

Question: Which model has a maximum memory of 512 mb?
SQL: SELECT MAX("model") FROM "comparison_table_of_hp_laser_jet_4000_mo" WHERE "maximum_memory"='512 mb';

Question: What is the maximum memory of the model that has a standard memory of 16 mb?
SQL: SELECT "maximum_memory" FROM "comparison_table_of_hp_laser_jet_4000_mo" WHERE "standard_memory"='16 mb';