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 | Writer(s) | Airdate |
| --- | --- | --- | --- | --- | --- |
| 157.0 | 1.0 | " Target " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | September 5, 1959 |
| 158.0 | 2.0 | " Kitty's Injury " | Buzz Kulik Category:Articles with hCards | John Meston Category:Articles with hCards | September 19, 1959 |
| 159.0 | 3.0 | " Horse Deal " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | September 26, 1959 |
| 161.0 | 5.0 | " Kangaroo " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | October 10, 1959 |
| 163.0 | 7.0 | " Annie Oakley " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | October 24, 1959 |
| 164.0 | 8.0 | " Saludos " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | October 31, 1959 |
| 166.0 | 10.0 | " The Boots " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | November 14, 1959 |
| 167.0 | 11.0 | " Odd Man Out " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | November 21, 1959 |
| 169.0 | 13.0 | " Box o' Rocks " | R.G. Springsteen Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | December 5, 1959 |
| 171.0 | 15.0 | " Tag, You're It " | Jesse Hibbs Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | December 19, 1959 |
| 175.0 | 19.0 | " Till Death Do Us " | Jean Yarbrough Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | January 16, 1960 |
| 177.0 | 21.0 | " Hinka Do " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | January 30, 1960 |
| 178.0 | 22.0 | " Doc Judge " | Arthur Hiller Category:Articles with hCards | John Meston Category:Articles with hCards | February 6, 1960 |
| 180.0 | 24.0 | " Kitty's Killing " | Arthur Hiller Category:Articles with hCards | John Meston Category:Articles with hCards | February 20, 1960 |
| 181.0 | 25.0 | " Jailbait Janet " | Jesse Hibbs Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | February 27, 1960 |
| 183.0 | 27.0 | " Where'd They Go " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | March 12, 1960 |
| 184.0 | 28.0 | " Crowbait Bob " | Andrew V. McLaglen Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | March 26, 1960 |
| 186.0 | 30.0 | " The Ex-Urbanites " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | April 9, 1960 |
| 187.0 | 31.0 | " I Thee Wed " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | April 16, 1960 |
| 188.0 | 32.0 | " The Lady Killer " | Andrew V. McLaglen Category:Articles with hCards | John Meston Category:Articles with hCards | April 23, 1960 |
| 189.0 | 33.0 | " Gentleman's Disagreement " | Jesse Hibbs Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | April 30, 1960 |
| 190.0 | 34.0 | " Speak Me Fair " | Andrew V. McLaglen Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | May 7, 1960 |
| 191.0 | 35.0 | " Belle's Back " | Jesse Hibbs Category:Articles with hCards | Les Crutchfield Category:Articles with hCards | May 14, 1960 |
| 192.0 | 36.0 | " The Bobsy Twins " | Jesse Hibbs Category:Articles with hCards | John Meston Category:Articles with hCards | May 21, 1960 |
Question:
How many directors worked on #158?
Answer:
1.0