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:
| Episode # | Fan Title | Writer | Artist(s) | Start Date | End Date | Inc. Dailies? | Inc. Sundays? |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01D | Catwoman | Whitney Ellsworth | Shelly Moldoff | 1966-05-30 | 1966-07-09 | yes | no |
| 01S | A Penguin with Shark Teeth | Whitney Ellsworth | Shelly Moldoff | 1966-05-29 | 1966-07-10 | no | yes |
| 02D | Joker On Parole | Whitney Ellsworth | Joe Giella | 1966-07-11 | 1966-09-24 | yes | no |
| 02S | The Nasty Napoleon | Whitney Ellsworth | S. Moldoff/J. Giella/C. Infantino | 1966-07-17 | 1966-10-16 | no | yes |
| 03D | Jolly Roger | Whitney Ellsworth | Joe Giella | 1966-09-26 | 1966-12-10 | yes | no |
| 03S | Batchap and Bobbin | Whitney Ellsworth | Joe Giella | 1966-10-23 | 1966-12-11 | no | yes |
| 04 | Poison Ivy | Whitney Ellsworth | Joe Giella | 1966-12-12 | 1967-03-18 | yes | yes |
| 05 | Batman Meets Benny | Whitney Ellsworth | Joe Giella | 1967-03-19 | 1967-04-30 | yes | yes |
| 06 | Batgirl Begins | Whitney Ellsworth | Joe Giella | 1967-05-01 | 1967-07-09 | yes | yes |
| 07 | Amnesia | Whitney Ellsworth | Joe Giella | 1967-07-10 | 1967-11-12 | yes | yes |
| 08 | Zodiac | Whitney Ellsworth | Joe Giella | 1967-11-13 | 1968-03-?? | yes | yes |
| 09 | Superman's Missing Powers | Whitney Ellsworth | Al Plastino | 1968-03-?? | 1968-08-15 | yes | yes |
| 10 | Aqua-Batman | Whitney Ellsworth | Al Plastino | 1968-08-16 | 1968-12-05 | yes | yes |
Question:
How many artist(s) have a start date is 1966-12-12?
Answer:
1.0