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:
| No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- | --- |
| 46.0 | 1.0 | "The Innocents" | Thomas J. Wright | Michael Duggan | October2,1998 | 3ABC01 |
| 47.0 | 2.0 | "Exegesis" | Ralph Hemecker | Chip Johannessen | October9,1998 | 3ABC02 |
| 48.0 | 3.0 | "TEOTWAWKI" | Thomas J. Wright | Chris Carter & Frank Spotnitz | October16,1998 | 3ABC03 |
| 49.0 | 4.0 | "Closure" | Daniel Sackheim | Larry Andries | October23,1998 | 3ABC04 |
| 50.0 | 5.0 | "...Thirteen Years Later" | Thomas J. Wright | Michael R. Perry | October30,1998 | 3ABC05 |
| 51.0 | 6.0 | "Skull and Bones" | Paul Shapiro | Chip Johannessen & Ken Horton | November6,1998 | 3ABC06 |
| 52.0 | 7.0 | "Through a Glass Darkly" | Thomas J. Wright | Patrick Harbinson | November13,1998 | 3ABC07 |
| 53.0 | 8.0 | "Human Essence" | Thomas J. Wright | Michael Duggan | December11,1998 | 3ABC09 |
| 54.0 | 9.0 | "Omertà" | Paul Shapiro | Michael R. Perry | December18,1998 | 3ABC08 |
| 55.0 | 10.0 | "Borrowed Time" | Dwight Little | Chip Johannessen | January15,1999 | 3ABC10 |
| 56.0 | 11.0 | "Collateral Damage" | Thomas J. Wright | Michael R. Perry | January22,1999 | 3ABC11 |
| 57.0 | 12.0 | "The Sound of Snow" | Paul Shapiro | Patrick Harbinson | February5,1999 | 3ABC12 |
| 58.0 | 13.0 | "Antipas" | Thomas J. Wright | Chris Carter & Frank Spotnitz | February12,1999 | 3ABC13 |
| 59.0 | 14.0 | "Matryoshka" | Arthur Forney | Erin Maher & Kay Reindl | February19,1999 | 3ABC14 |
| 60.0 | 15.0 | "Forcing the End" | Thomas J. Wright | Marjorie David | March19,1999 | 3ABC15 |
| 61.0 | 16.0 | "Saturn Dreaming of Mercury" | Paul Shapiro | Chip Johannessen & Jordan Hawley | April9,1999 | 3ABC16 |
| 62.0 | 17.0 | "Darwin's Eye" | Ken Fink | Patrick Harbinson | April16,1999 | 3ABC18 |
| 63.0 | 18.0 | "Bardo Thodol" | Thomas J. Wright | Chip Johannessen & Virginia Stock | April23,1999 | 3ABC17 |
| 64.0 | 19.0 | "Seven and One" | Peter Markle | Chris Carter & Frank Spotnitz | April30,1999 | 3ABC19 |
| 65.0 | 20.0 | "Nostalgia" | Thomas J. Wright | Michael R. Perry | May7,1999 | 3ABC20 |
| 66.0 | 21.0 | "Via Dolorosa" | Paul Shapiro | Marjorie David & Patrick Harbinson | May14,1999 | 3ABC21 |
Question:
Name the least number for production code for 3abc21
Answer:
66.0