Table:
text: List of Gunsmoke television episodes
Season 19 (1973 74)
Season 19 (1973 74)
Series_ Season_ Title Director Writers Airdate
607 20  The Schoolmarm  Bernard McEveety Category:Articles with hCards Dick Nelson Category:Articles with hCards February 25, 1974
608 21  Trail of Bloodshed  Bernard McEveety Category:Articles with hCards Earl W. Wallace Category:Articles with hCards March 1, 1974
609 22  Cowtown Hustler  Gunnar Hellstrom Category:Articles with hCards Jim Byrnes Category:Articles with hCards March 11, 1974
610 23  To Ride a Yeller Horse  Vincent McEveety Category:Articles with hCards Calvin Clements, Sr. Category:Articles with hCards March 18, 1974

Question: Among Gunsmoke television episodes, list the most serial numbers for season 22 season 19 1973 74. ?