CREATE TABLE table_23890 ("School" CLOB, "Location ( s ) " CLOB, "Control" CLOB, "Type" CLOB, "Enrollment  ( 2009 ) " FLOAT, "Founded" FLOAT)

What is the minimum enrollment for Plainfield?
SELECT MIN("Enrollment (2009)") FROM table_23890 WHERE "Location(s)" = 'Plainfield'
SELECT MIN("Enrollment (2009)") FROM "table_23890" WHERE "Location(s)" = 'Plainfield'