CREATE TABLE table_3146 ("Result" CLOB, "Date" CLOB, "Race" CLOB, "Venue" CLOB, "Group" CLOB, "Distance" CLOB, "Weight" CLOB, "Jockey" CLOB, "Winner/2nd" CLOB)

who was the winner /2nd for the British Champion Stakes race?
SELECT "Winner/2nd" FROM table_3146 WHERE "Race" = 'British Champion Stakes'
SELECT "Winner/2nd" FROM "table_3146" WHERE "Race" = 'British Champion Stakes'