What is the total number of her age figures where his age is less than 33, the bride was diontha walker, and the number of children was less than 0?
CREATE TABLE table_37537 (
    "Year of Marriage" real,
    "Name" text,
    "Her Age" real,
    "His Age" real,
    "# of Children" real
)
SELECT SUM("Her Age") FROM table_37537 WHERE "His Age" < '33' AND "Name" = 'diontha walker' AND "# of Children" < '0'
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: What is the total number of her age figures where his age is less than 33, the bride was diontha walker, and the number of children was less than 0? ### Input: CREATE TABLE table_37537 (
    "Year of Marriage" real,
    "Name" text,
    "Her Age" real,
    "His Age" real,
    "# of Children" real
) ### Response: SELECT SUM("Her Age") FROM table_37537 WHERE "His Age" < '33' AND "Name" = 'diontha walker' AND "# of Children" < '0'