CREATE TABLE table_71800 ("Result" CLOB, "Date" CLOB, "Race" CLOB, "Venue" CLOB, "Group" CLOB, "Distance" CLOB, "Weight  ( kg ) " FLOAT, "Jockey" CLOB, "Winner/2nd" CLOB)

In which races did the jockey weigh less than 55.5 kg?
SELECT "Race" FROM table_71800 WHERE "Weight (kg)" < '55.5'
SELECT "Race" FROM "table_71800" WHERE "Weight (kg)" < '55.5'