Riggs of e, and a Buechel & Manhart spelling (pronunciation) of e had what ullrich?
CREATE TABLE table_6740 (
    "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
)
SELECT "Ullrich" FROM table_6740 WHERE "Riggs" = 'e' AND "Buechel & Manhart spelling (pronunciation)" = 'e'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Riggs of e, and a Buechel & Manhart spelling (pronunciation) of e had what ullrich? ### Input: CREATE TABLE table_6740 (
    "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
) ### Response: SELECT "Ullrich" FROM table_6740 WHERE "Riggs" = 'e' AND "Buechel & Manhart spelling (pronunciation)" = 'e'