CREATE TABLE table_79670 ("School" CLOB, "Location" CLOB, "Mascot" CLOB, "Size" FLOAT, "IHSAA Class" CLOB, "County" CLOB, "Year Joined" FLOAT, "Previous Conference" CLOB)

What is the size of the team that was previously from Central Indiana conference, and is in IHSSA Class 4a?
SELECT "Size" FROM table_79670 WHERE "IHSAA Class" = '4a' AND "Previous Conference" = 'central indiana'
SELECT "Size" FROM "table_79670" WHERE "IHSAA Class" = '4a' AND "Previous Conference" = 'central indiana'