CREATE TABLE table_13561 ("Year" CLOB, "1851" CLOB, "1861" CLOB, "1871" CLOB, "1881" CLOB)

What's the 1881 when 1871 had 1017?
SELECT "1881" FROM table_13561 WHERE "1871" = '1017'
SELECT "1881" FROM "table_13561" WHERE "1871" = '1017'