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 # | The Wørd | Guest | Introductory phrase | Original Airdate | Production Code |
| --- | --- | --- | --- | --- | --- |
| 332.0 | "(left blank)" | Andrew Sullivan , Richard Freeman | "Hey. This is The Colber-t Repor-t." | January 7 | 4001.0 |
| 333.0 | "None" | Chris Beam , Gary Rosen | None (show begins with opening sequence) | January 8 | 4002.0 |
| 334.0 | "None" | Mike Huckabee , Matt Taibbi | None (show begins with opening sequence) | January 9 | 4003.0 |
| 335.0 | "None" | Norman Ornstein , Muhammad Yunus | None (show begins with opening sequence) | January 10 | 4004.0 |
| 336.0 | "None" | Neil Shubin | None (show begins with opening sequence) | January 14 | 4005.0 |
| 337.0 | "None" | Peter Hopkins, Jared Cohen | None (show begins with opening sequence) | January 15 | 4006.0 |
| 338.0 | "None" | Benjamin Eckstein, Deborah Tannen | None (show begins with opening sequence) | January 16 | 4007.0 |
| 340.0 | "None" | Allan Sloan, Eric Weiner | None (show begins with opening sequence) | January 21 | 4009.0 |
| 341.0 | "None" | Malcolm Gladwell , Andrew Young | None (show begins with opening sequence) | January 22 | 4010.0 |
| 342.0 | "None" | Marie Wood , Jeb Corliss , Andrew McLean | None (show begins with opening sequence) | January 23 | 4011.0 |
| 343.0 | "None" | Debra Dickerson , Charles Nesson | None (show begins with opening sequence) | January 24 | 4012.0 |
| 344.0 | "None" | Marjane Satrapi , Rick Warren | None (show begins with opening sequence) | January 28 | 4013.0 |
| 345.0 | "None" | Joe Quesada , Jon Stewart , Alex Ross | None (show begins with opening sequence) | January 29 | 4014.0 |
| 346.0 | "None" | Carl Hiaasen , Frans de Waal | None (show begins with opening sequence) | January 30 | 4015.0 |
Question:
What was the inroductory phase for the episode that originally aired january 21?
Answer:
None (show begins with opening sequence)