CREATE TABLE table_203_545 (id NUMBER, "single/ep" CLOB, "release date" CLOB, "label" CLOB, "format ( s ) " CLOB, "uk singles chart position" NUMBER, "notes" CLOB)

which year was try not to think and bleach released ?
SELECT "release date" FROM table_203_545 WHERE "single/ep" = '"try not to think"'
SELECT "release date" FROM "table_203_545" WHERE "single/ep" = '"try not to think"'