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_22897453_1 ( tn_seshan__values_ VARCHAR, kr_narayanan__values_ VARCHAR )

### Question ###
Name the number of tn seshan values for kr values is 478608

### Accurate SQL ###

SELECT COUNT(tn_seshan__values_) FROM table_22897453_1 WHERE kr_narayanan__values_ = 478608