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 | U.S. viewers (million) |
| --- | --- | --- | --- | --- | --- | --- |
| 31.0 | 1.0 | " Go Big or Go Home " | Dean Holland | Alan Yang | January20,2011 | 6.14 |
| 32.0 | 2.0 | " Flu Season " | Wendey Stanzler | Norm Hiscock | January27,2011 | 5.83 |
| 33.0 | 3.0 | " Time Capsule " | Michael Schur | Michael Schur | February3,2011 | 4.95 |
| 34.0 | 4.0 | " Ron & Tammy: Part Two " | Tucker Gates | Emily Kapnek | February10,2011 | 5.03 |
| 35.0 | 5.0 | " Media Blitz " | David Rogers | Harris Wittels | February17,2011 | 4.33 |
| 36.0 | 6.0 | " Indianapolis " | Randall Einhorn | Katie Dippold | February24,2011 | 4.59 |
| 37.0 | 7.0 | " Harvest Festival "† | Dean Holland | Dan Goor | March17,2011 | 4.08 |
| 38.0 | 8.0 | " Camping " | Rob Schrab | Aisha Muharrar | March24,2011 | 5.15 |
| 39.0 | 9.0 | " Andy and April's Fancy Party " | Michael Trim | Katie Dippold | April14,2011 | 5.16 |
| 40.0 | 10.0 | " Soulmates " | Ken Whittingham | Alan Yang | April21,2011 | 4.88 |
| 41.0 | 11.0 | " Jerry's Painting "† | Dean Holland | Norm Hiscock | April28,2011 | 4.71 |
| 42.0 | 12.0 | " Eagleton " | Nicole Holofcener | Emily Spivey | May5,2011 | 5.06 |
| 43.0 | 13.0 | " The Fight "† | Randall Einhorn | Amy Poehler | May12,2011 | 4.55 |
| 44.0 | 14.0 | " Road Trip " | Troy Miller | Harris Wittels | May12,2011 | 3.55 |
| 45.0 | 15.0 | " The Bubble " | Matt Sohn | Greg Levine & Brian Rowe | May19,2011 | 4.27 |
Question:
Who directed the episode that had 3.55 million viewers?
Answer:
Troy Miller