CREATE TABLE table_70262 ("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)

Which cage dive has none as a 3-person dive?
SELECT "Cage dive" FROM table_70262 WHERE "3-person dive" = 'none'
SELECT "Cage dive" FROM "table_70262" WHERE "3-person dive" = 'none'