Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| School | Location | Mascot | County | 2013-2014 Size | Year Joined | Previous Conference |
| --- | --- | --- | --- | --- | --- | --- |
| Avon | Avon | Orioles | 32 Hendricks | 2608.0 | 2000.0 | Mid-State |
| Brownsburg | Brownsburg | Bulldogs | 32 Hendricks | 2370.0 | 2000.0 | Olympic |
| Fishers | Fishers | Tigers | 29 Hamilton | 2582.0 | 2006.0 | none (new school) |
| Hamilton Southeastern | Fishers | Royals | 29 Hamilton | 3009.0 | 2000.0 | Olympic |
| Harrison (West Lafayette) | West Lafayette | Raiders | 79 Tippecanoe | 1740.0 | 2000.0 | Olympic |
| Lafayette Jeff | Lafayette | Bronchos | 79 Tippecanoe | 1935.0 | 2004.0 | North Central |
| McCutcheon | Lafayette | Mavericks | 79 Tippecanoe | 1809.0 | 2000.0 | Olympic |
| Noblesville | Noblesville | Millers | 29 Hamilton | 2637.0 | 2000.0 | Olympic |
| Westfield | Westfield | Shamrocks | 29 Hamilton | 1821.0 | 2000.0 | Rangeline |
| Zionsville | Zionsville | Eagles | 06 Boone | 1808.0 | 2000.0 | Rangeline |
Question:
What was the previous conference for the school that joined in 2000 with a millers mascot?
Answer:
Olympic