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_14407512_23 ( nationality VARCHAR, name VARCHAR )

### Question ###
Name the number of nationality is tom hilde

### Accurate SQL ###

SELECT COUNT(nationality) FROM table_14407512_23 WHERE name = "Tom Hilde"