CREATE TABLE table_204_125 (id NUMBER, "state" CLOB, "type" CLOB, "name" CLOB, "title" CLOB, "royal house" CLOB, "from" CLOB, "to" CLOB)

who is the other marquis ruler besides si jun ?
SELECT "name" FROM table_204_125 WHERE "title" = 'marquis' AND "name" <> 'si jun'
SELECT "name" FROM "table_204_125" WHERE "name" <> 'si jun' AND "title" = 'marquis'