CREATE TABLE table_23540 ("Starting price" CLOB, "Number" FLOAT, "Name" CLOB, "Age" FLOAT, "Weight  ( st ,  lb ) " CLOB, "Jockey" CLOB, "Trainer" CLOB, "Owner" CLOB, "Colours" CLOB)

What's the number of the horse weighting 10-5?
SELECT MIN("Number") FROM table_23540 WHERE "Weight (st, lb)" = '10-5'
SELECT MIN("Number") FROM "table_23540" WHERE "Weight (st, lb)" = '10-5'