CREATE TABLE table_203_592 (id NUMBER, "institution" CLOB, "location" CLOB, "athletic nickname" CLOB, "undergraduate enrollment" NUMBER, "graduate enrollment" NUMBER, "total enrollment" NUMBER, "2013 endowment\ ( and us rank ) " CLOB, "academic staff" NUMBER, "motto" CLOB)

how many students are enrolled at harvard university according to this chart ?
SELECT "total enrollment" FROM table_203_592 WHERE "institution" = 'harvard university'
SELECT "total enrollment" FROM "table_203_592" WHERE "institution" = 'harvard university'