CREATE TABLE "encounters" (
  "1_person_dive" text,
  "2_person_dive" text,
  "3_person_dive" text,
  "surface" text,
  "cage_dive" text,
  "seal_turtle_decoy" text,
  "catch_release" text,
  "attached_camera" text,
  "remote_camera" text
);

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

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

Question: What surface has 2 as a cage dive?
SQL: SELECT "surface" FROM "encounters" WHERE "cage_dive"='2';

Question: Which cage dive has none as a 3-person dive?
SQL: SELECT "cage_dive" FROM "encounters" WHERE "3_person_dive"='none';

Question: Which 3-person dive has 0 as a remote camera?
SQL: SELECT "3_person_dive" FROM "encounters" WHERE "remote_camera"='0';