Table schema:
CREATE TABLE table_name_98 (white_hat VARCHAR, ullrich VARCHAR, dakota_mission VARCHAR, deloria_ VARCHAR, _boas VARCHAR)

Question: Dakota Mission of t, and a Deloria & Boas of tʽ, and a Ullrich of tȟ had what white hat?
SQL: SELECT white_hat FROM table_name_98 WHERE dakota_mission = "t" AND deloria_ & _boas = "tʽ" AND ullrich = "tȟ"