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 | Directed by | Written by | Original air date |
| --- | --- | --- | --- | --- | --- |
| 180.0 | 1.0 | " Chaos Theory " | Jonathan Kaplan | Jack Orman and R. Scott Gemmill | September26,2002 |
| 181.0 | 2.0 | "Dead Again" | Richard Thorpe | Dee Johnson | October3,2002 |
| 182.0 | 3.0 | "Insurrection" | Charles Haid | Yahlin Chang and Jack Orman | October10,2002 |
| 183.0 | 4.0 | "Walk Like A Man" | Félix Enríquez Alcalá | David Zabel | October17,2002 |
| 184.0 | 5.0 | "A Hopeless Wound" | Laura Innes | Julie Hébert and Joe Sachs | October31,2002 |
| 185.0 | 6.0 | "One Can Only Hope" | Jonathan Kaplan | Bruce Miller | November7,2002 |
| 186.0 | 7.0 | "Tell Me Where It Hurts" | Richard Thorpe | R. Scott Gemmill | November14,2002 |
| 187.0 | 8.0 | "First Snowfall" | Jack Orman | Jack Orman | November21,2002 |
| 188.0 | 9.0 | "Next of Kin" | Paul McCrane | Dee Johnson | December5,2002 |
| 189.0 | 10.0 | "Hindsight" | David Nutter | David Zabel | December12,2002 |
| 190.0 | 11.0 | "A Little Help From My Friends" | Alan J. Levi | Julie Hébert | January9,2003 |
| 191.0 | 12.0 | "A Saint in the City" | Peggy Rajski | Bruce Miller | January16,2003 |
| 192.0 | 13.0 | "No Good Deed Goes Unpunished" | Nelson McCormick | R. Scott Gemmill | January30,2003 |
| 193.0 | 14.0 | "No Strings Attached" | Jonathan Kaplan | Dee Johnson | February6,2003 |
| 194.0 | 15.0 | "A Boy Falling Out of the Sky" | Charles Haid | R. Scott Gemmill and Yahlin Chang | February13,2003 |
| 195.0 | 16.0 | "A Thousand Cranes" | Jonathan Kaplan | David Zabel | February20,2003 |
| 196.0 | 17.0 | "The Advocate" | Julie Hébert | Joe Sachs | March13,2003 |
| 197.0 | 18.0 | "Finders Keepers" | TR Babu Subramaniam | Dee Johnson | April3,2003 |
| 198.0 | 19.0 | "Things Change" | Richard Thorpe | R. Scott Gemmill | April24,2003 |
| 199.0 | 20.0 | "Foreign Affairs" | Jonathan Kaplan | David Zabel | May1,2003 |
| 200.0 | 21.0 | "When Night Meets Day" | Jack Orman | Jack Orman | May8,2003 |
Question:
On which dates did the episodes directed by TR Babu Subramaniam air?
Answer:
April3,2003