Question: What is the largest number of DVDs?
SQL: SELECT MAX("DVD No.") FROM "1-1467951-4";

Question: What is the highest number of episodes?
SQL: SELECT MAX("Ep No.") FROM "1-1467951-4";

Question: What is the most recent release date?
SQL: SELECT MAX("Release date") FROM "1-1467951-4";

Question: How many release dates does Volume 4 DVD have?
SQL: SELECT COUNT("Release date") FROM "1-1467951-4" WHERE "DVD name" = 'Volume 4';