CREATE TABLE table_6742 ("Buechel & Manhart spelling  ( pronunciation ) " TEXT, "Ullrich" TEXT, "Brandon University" TEXT, "Deloria & Boas" TEXT, "Dakota Mission" TEXT, "Rood & Taylor" TEXT, "Riggs" TEXT, "Williamson" TEXT, "University of Minnesota" TEXT, "White Hat" TEXT)

Dakota Mission of t, and a Deloria & Boas of t , and a Ullrich of t had what white hat?
SELECT "White Hat" FROM table_6742 WHERE "Dakota Mission" = 't' AND "Deloria & Boas" = 'tʽ' AND "Ullrich" = 'tȟ'
SELECT "White Hat" FROM "table_6742" WHERE "Dakota Mission" = 't' AND "Deloria & Boas" = 'tʽ' AND "Ullrich" = 'tȟ'