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_83 (city VARCHAR, previous_counference VARCHAR, ihsaa_class VARCHAR)

### Question ###
What city has a team in IHSAA class 3a, and previous conference of lake?

### Accurate SQL ###

SELECT city FROM table_name_83 WHERE previous_counference = "lake" AND ihsaa_class = "3a"