CREATE TABLE table_19755 ("Result" CLOB, "Date" CLOB, "Race" CLOB, "Venue" CLOB, "Group" CLOB, "Distance" CLOB, "Weight  ( kg ) " CLOB, "Jockey" CLOB, "Winner/2nd" CLOB)

How many jockeys are listed running at the Sir Rupert Clarke Stakes?
SELECT COUNT("Jockey") FROM table_19755 WHERE "Race" = 'Sir Rupert Clarke Stakes'
SELECT COUNT("Jockey") FROM "table_19755" WHERE "Race" = 'Sir Rupert Clarke Stakes'