CREATE TABLE table_203_638 (id NUMBER, "score" NUMBER, "2007" CLOB, "2008" CLOB, "2009" CLOB, "2010" CLOB, "2011" CLOB, "2012" CLOB, "2013" CLOB)

what is the number of students in 2011 that received a 1 ?
SELECT "2011" FROM table_203_638 WHERE "score" = 1
SELECT "2011" FROM "table_203_638" WHERE "score" = 1