CREATE TABLE table_13446 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "County" TEXT, "Year Joined" FLOAT)

What is lebanon's enrollment?
SELECT AVG("Enrollment") FROM table_13446 WHERE "School" = 'lebanon'
SELECT AVG("Enrollment") FROM "table_13446" WHERE "School" = 'lebanon'