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_10638523_1 (mid_hill_zone VARCHAR, particulars_and_characteristics VARCHAR)

### Question ###
For mid-hill zone  what is the altitude?

### Accurate SQL ###

SELECT mid_hill_zone FROM table_10638523_1 WHERE particulars_and_characteristics = "Altitude"