Question: Which DVD Title has a Region 1 of N/A and greater than 3 in No. of Discs?
SQL: SELECT "DVD Title" FROM "2-17697980-1" WHERE "Region 1" = 'N/A' AND "No. of Discs" > 3.0;

Question: Which region 1 has 12 Episodes and a Region 2 of 18 August 2008?
SQL: SELECT "Region 1" FROM "2-17697980-1" WHERE "No. of Episodes" = 12.0 AND "Region 2" = '18 August 2008';