Question: What is the 3-person dive that has none as the 2-person dive?
SQL: SELECT "3-person dive" FROM "2-12586369-4" WHERE "2-person dive" = 'none';

Question: What is the 2-person dive that has 2 as the surface?
SQL: SELECT "2-person dive" FROM "2-12586369-4" WHERE "Surface" = '2';

Question: What surface has 2 as a cage dive?
SQL: SELECT "Surface" FROM "2-12586369-4" WHERE "Cage dive" = '2';

Question: Which cage dive has none as a 3-person dive?
SQL: SELECT "Cage dive" FROM "2-12586369-4" WHERE "3-person dive" = 'none';

Question: Which 3-person dive has 0 as a remote camera?
SQL: SELECT "3-person dive" FROM "2-12586369-4" WHERE "Remote camera" = '0';