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_73 (ch_1 VARCHAR, region_served VARCHAR)

### Question ###
What is the Ch1 in the region served by Central Tablelands?

### Accurate SQL ###

SELECT ch_1 FROM table_name_73 WHERE region_served = "central tablelands"