CREATE TABLE table_1499774_5 (southern_lakota VARCHAR, yankton_yanktonai VARCHAR)

Name the southern lakota for h ha na
SELECT southern_lakota FROM table_1499774_5 WHERE yankton_yanktonai = "híŋhaŋna"
SELECT "southern_lakota" FROM "table_1499774_5" WHERE "híŋhaŋna" = "yankton_yanktonai"