Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Series # | Season # | Title | Director(s) | Writer(s) | Airdate | Production code | Arties disguises |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 60.0 | 4.0 | "The Night Dr. Loveless Died" | Alan Crosland Jr. | Henry Sharp | September29,1967 | 65.0 | Dr. Roman De Petritier |
| 61.0 | 5.0 | "The Night of Jack O'Diamonds" | Irving J. Moore | Denne Bart Petitclerc | October6,1967 | 57.0 | Pancho, a bandit |
| 62.0 | 6.0 | "The Night of the Samurai" | Gunnar Hellstrom | Shimon Wincelberg | October13,1967 | 66.0 | Paolo Martinez, a Portuguese sea captain |
| 63.0 | 7.0 | "The Night of the Hangman" | James B. Clark | Peter G. Robinson and Ron Silverman | October20,1967 | 62.0 | Undercover as a jewelry salesman |
| 64.0 | 8.0 | "The Night of Montezuma's Hordes" | Irving J. Moore | Max Ehrlich | October27,1967 | 63.0 | An aged desert guide A Swedish waiter |
| 66.0 | 10.0 | "The Night of the Falcon" | Marvin Chomsky | Robert E. Kent | November10,1967 | 69.0 | Felice Muñez, a Spanish syndicate chief |
| 67.0 | 11.0 | "The Night of the Cut-throats" | Alan Crosland Jr. | Edward J. Lakso | November17,1967 | 61.0 | Joe, the piano player |
| 70.0 | 14.0 | "The Night of the Iron Fist" | Marvin Chomsky | Ken Pettus | December8,1967 | 73.0 | Count Draja |
| 73.0 | 17.0 | "The Night of the Headless Woman" | Alan Crosland Jr. | Edward J. Lakso | January5,1968 | 74.0 | An old sea dog |
| 74.0 | 18.0 | "The Night of the Vipers" | Marvin Chomsky | Robert E. Kent | January12,1968 | 76.0 | Ned Buntline |
| 75.0 | 19.0 | "The Night of the Underground Terror" | James B. Clark | Max Hodge | January19,1968 | 75.0 | An Englishman Col. Mosley |
| 76.0 | 20.0 | "The Night of the Death Masks" | Mike Moder | Ken Pettus | January26,1968 | 77.0 | Emmett Stark |
| 78.0 | 22.0 | "The Night of the Amnesiac" | Lawrence Dobkin | Teleplay: Leigh Chapman Story: Robert Bloomfield | February9,1968 | 64.0 | Dr. Zorbi, a magician |
Question:
From writer Max Ehrlich, what is the total amount of series numbers?
Answer:
1.0