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_74251 ( "Date/Location" text, "Mens singles" text, "Womens Singles" text, "U21 Mens" text, "U21 Womens" text, "Mixed Restricted" text, "Mixed Veteran" text )

### Question ###
When Naomi Owen won the Womens Singles and Ricardo Walther won the Mens Singles, who won the mixed veteran?

### Accurate SQL ###

SELECT "Mixed Veteran" FROM table_74251 WHERE "Womens Singles" = 'Naomi Owen' AND "Mens singles" = 'Ricardo Walther'