Table:
text: Hoosier Crossroads Conference
Member schools
Member schools
School Location_ Mascot County _2013_2014_Size Year_Joined Previous_Conference
Avon Avon Orioles 32 Hendricks 2608 2000 Mid-State
Brownsburg Brownsburg Bulldogs 32 Hendricks 2370 2000 Olympic
Fishers Fishers Tigers 29 Hamilton 2582 2006 none (new school)
Hamilton Southeastern Fishers Royals 29 Hamilton 3009 2000 Olympic
Harrison (West Lafayette) West Lafayette Raiders 79 Tippecanoe 1740 2000 Olympic
Lafayette Jeff Lafayette Bronchos 79 Tippecanoe 1935 2004 North Central
McCutcheon Lafayette Mavericks 79 Tippecanoe 1809 2000 Olympic
Noblesville Noblesville Millers 29 Hamilton 2637 2000 Olympic
Westfield Westfield Shamrocks 29 Hamilton 1821 2000 Rangeline
Zionsville Zionsville Eagles 06 Boone 1808 2000 Rangeline

Question: What was the previous conference for the school that joined the Hoosier Crossroads Conference in 2000 with a Miller mascot?