Table:
text: Mid-Southern Conference of Indiana
Membership
Membership
School Location_ Mascot Enrollment IHSAA_Class _County Year_Joined
Austin * Austin Eagles 437 AA 72 Scott 1958
Brownstown Central Brownstown Braves 611 AAA 36 Jackson 1965
Charlestown Charlestown Pirates 702 AAA 10 Clark 1958
Clarksville Clarksville Generals 530 AA 10 Clark 1958
Corydon Central Corydon Panthers 819 AAA 31 Harrison 1958
Eastern (Pekin) New Pekin Musketeers 552 AA 88 Washington 2003
North Harrison Ramsey Cougars 702 AAA 31 Harrison 1978
Salem Salem Lions 656 AAA 88 Washington 1958
Scottsburg Scottsburg Warriors 865 AAA 72 Scott 1958
Silver Creek Sellersburg Dragons 644 AAA 10 Clark 1958

Question: What is the enrollment for the year of the Mid-Southern Conference of Indiana, which joined in Clarksville in 1958?

Question: What is the #/county that is ihsaa class aaa, has an enrollment greater than 611, and the dragons are the mascot for the Mid-Southern Conference of Indiana?