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

### Instruction:
What is the formation that had the specimen discovered before 2001 and is in an Indianapolis, Indiana museum?

### Inputs:
table_name: table, columns: ['Name', 'Discovered', 'Museum', 'Museum city', 'Discoverer', 'Formation', 'Location']

### Response:
SELECT Formation FROM table WHERE Discovered < 2001 AND Museum city = indianapolis, in