Question: what is the enrollement for the year joined 1958 in Clarksville?
SQL: SELECT SUM("Enrollment") FROM "2-18833029-1" WHERE "Year Joined" = 1958.0 AND "Location" = 'Clarksville';

Question: what is the #/county that is ihsaa class AAA, has enrollment higher than 611 and the Dragons is the mascot?
SQL: SELECT "# / County" FROM "2-18833029-1" WHERE "IHSAA Class" = 'AAA' AND "Enrollment" > 611.0 AND "Mascot" = 'Dragons';