CREATE TABLE table_46428 ("Finished" FLOAT, "Time/ Behind" CLOB, "Post" FLOAT, "Horse" CLOB, "Jockey" CLOB, "Trainer" CLOB, "Owner" CLOB)

What is Jockey, when Post is 12?
SELECT "Jockey" FROM table_46428 WHERE "Post" = '12'
SELECT "Jockey" FROM "table_46428" WHERE "Post" = '12'