Table:
text: 1997 Kentucky Derby
Full results
Full results
Finished Post Horse Jockey Trainer Owner_ Time_behind_
1st 6 Silver Charm Gary L. Stevens Bob Baffert Bob & Beverly Lewis 2:02.44
2nd 5 Captain Bodgit Alex Solis Gary A. Capuano Team Valor 
3rd 12 Free House David Flores J. Paco Gonzalez John Toffan & Trudy McCaffery 
4th 3 Pulpit Shane Sellers Frank L. Brothers Claiborne Farm 
5th 10 Crypto Star Pat Day Wayne M. Catalano Evelyn & Darrell Yates 
6th 9 Phantom on Tour Jerry D. Bailey Lynn S. Whiting W. Cal Partee 
7th 5 Jack Flash Craig Perret Nick Zito Dogwood Stable 
8th 6 Hello Mike Smith Ronald McAnally Sandee & Al Kirkwood 

text: 1997 Kentucky Derby
Full results
Full results
Finished Post Horse Jockey Trainer Owner_ Time_behind_
9th 1 Concerto Carlos H. Marquez, Jr. John J. Tammaro, III Kinsman Stable 
10th 13 Celtic Warrior Francisco Torres Danny Hutt Hutt, Quackenbush & Shaffrick 
11th 4 Crimson Classic Robby Albarado Forrest Kaelin John W. Clay 
12th 15 Shammy Davis Willie Martinez Nick Zito Fox Hill Farm 
13th 11 Deeds Not Words Corey Nakatani D. Wayne Lukas Michael Tabor & Susan Magnier

Question: How many jockeys are listed here in total for the 1997 Kentucky Derby?