CREATE TABLE table_65503 ("President" CLOB, "Schl. 1948" CLOB, "Schl. 1962" CLOB, "M-B 1982" CLOB, "CT 1982" CLOB, "Siena 1982" CLOB, "Siena 1990" CLOB, "Siena 1994" CLOB, "R-McI 1996" CLOB, "Schl. 1996" CLOB, "C-SPAN 1999" CLOB, "WSJ 2000" CLOB, "Siena 2002" CLOB, "WSJ 2005" CLOB, "Times 2008**" CLOB, "C-SPAN 2009" CLOB, "Siena 2010" CLOB, "USPC 2011" CLOB, "Aggr." CLOB)

Who is the president when c-span 2009 is 21?
SELECT "President" FROM table_65503 WHERE "C-SPAN 2009" = '21'
SELECT "President" FROM "table_65503" WHERE "C-SPAN 2009" = '21'