CREATE TABLE table_23891 ("School" TEXT, "Location ( s ) " TEXT, "Control" TEXT, "Type" TEXT, "Enrollment  ( 2009 ) " FLOAT, "Founded" FLOAT)

What type of school had an enrollment in 2009 of 224?
SELECT "Type" FROM table_23891 WHERE "Enrollment (2009)" = '224'
SELECT "Type" FROM "table_23891" WHERE "Enrollment (2009)" = '224'