CREATE TABLE table_203_589 (id NUMBER, "protein" CLOB, "natural host" CLOB, "normal function" CLOB, "prion state" CLOB, "prion phenotype" CLOB, "year identified" NUMBER)

how many prions were identified in 2012 ?
SELECT COUNT("protein") FROM table_203_589 WHERE "year identified" = 2012
SELECT COUNT("protein") FROM "table_203_589" WHERE "year identified" = 2012