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_18 (base_fares VARCHAR, fare_categories VARCHAR)

### Question ###
What is the Base Fare in the senior/disabled category?

### Accurate SQL ###

SELECT base_fares FROM table_name_18 WHERE fare_categories = "senior/disabled"