Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_37537 ( "Year of Marriage" real, "Name" text, "Her Age" real, "His Age" real, "# of Children" real )

### Question ###
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?

### Accurate SQL ###

SELECT SUM("Her Age") FROM table_37537 WHERE "His Age" < '33' AND "Name" = 'diontha walker' AND "# of Children" < '0'