Below is an instruction that describes a task. Write a response that appropriately completes the request.

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

### Inputs:
table_name: table, columns: ['School', 'City', 'Team Name', 'Enrollment 08-09', 'IHSAA Class', 'County', 'Year Joined', 'Previous Counference']

### Response:
SELECT City FROM table WHERE Previous Counference = lake AND IHSAA Class = 3a