CREATE TABLE table_66186 ("School" CLOB, "City" CLOB, "Team Name" CLOB, "Enrollment 08-09" FLOAT, "IHSAA Class" CLOB, "County" CLOB, "Year Joined" CLOB, "Previous Counference" CLOB)

What is the average enrollment 08=09, for the team that had a previous conference of lake and IHSAA class of 3A?
SELECT AVG("Enrollment 08-09") FROM table_66186 WHERE "Previous Counference" = 'lake' AND "IHSAA Class" = '3a'
SELECT AVG("Enrollment 08-09") FROM "table_66186" WHERE "IHSAA Class" = '3a' AND "Previous Counference" = 'lake'