CREATE TABLE table_52725 ("Finished" CLOB, "Post" FLOAT, "Horse" CLOB, "Jockey" CLOB, "Trainer" CLOB, "Odds" FLOAT)

What is the lowest post number for calvin borel?
SELECT MIN("Post") FROM table_52725 WHERE "Jockey" = 'calvin borel'
SELECT MIN("Post") FROM "table_52725" WHERE "Jockey" = 'calvin borel'