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_name_8 ( scale VARCHAR, word__number VARCHAR, name VARCHAR )

### Question ###
What is the scale of sv_health with a word number smaller than 4?

### Accurate SQL ###

SELECT scale FROM table_name_8 WHERE word__number < 4 AND name = "sv_health"