Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| no | - | title | directed by | written by | us viewers (million) | rank (week) | original air date | production code |
| 48 | 1 | sacrifice | david mamet | frank military | 9.71 (repeat : 3.9 on february 1 , 2009 at 9 pm) | 29 | september 28 , 2008 | 4alf01 |
| 49 | 2 | sudden flight | steven depaul | sharon lee watson | 9.46 (repeat : 5.5 million on february 22 , 2009) | 26 | october 5 , 2008 | 4alf02 |
| 50 | 3 | sex trade | jesús salvador treviño | todd ellis kessler | 9.10 | 29 | october 12 , 2008 | 4alf03 |
| 51 | 4 | the conduit | michael zinberg | david mamet | 8.28 | 36 | october 19 , 2008 | 4alf04 |
| 52 | 5 | dancing lessons | steve gomer | lynn mamet & ted humphrey | 9.17 | 36 | october 26 , 2008 | 4alf05 |
| 53 | 6 | inquisition | david paymer | patrick moss & shannon rutherford | 8.98 | 40 | november 2 , 2008 | 4alf06 |
| 54 | 7 | into hell (part 1) | krishna rao | daniel voll | 9.87 | 27 | november 9 , 2008 | 4alf07 |
| 55 | 8 | into hell (part 2) | fred gerber | frank military | 10.23 | 27 | november 16 , 2008 | 4alf08 |
| 56 | 9 | shadow riders | vahan moosekian | sharon lee watson | 9.99 | 30 | november 23 , 2008 | 4alf09 |
| 57 | 10 | misled and misguided | steven depaul | todd ellis kessler | 9.6 (at 10:30) | n / a | november 30 , 2008 | 4alf10 |
| 58 | 11 | switchblade | oz scott | david mamet | 8.2 | n / a | december 21 , 2008 | 4alf11 |
| 59 | 12 | bad beat | bill l norton | ted humphrey | 9.7 | n / a | january 4 , 2009 | 4alf12 |
| 60 | 13 | the spear of destiny | scott foley | lynn mamet & benjamin daniel lobato | 10.16 | 24 | january 11 , 2009 | 4alf13 |
| 61 | 14 | the last nazi | michael offer | david mamet | 8.4 | n / a | february 15 , 2009 | 4alf14 |
| 62 | 15 | hero | terrence o'hara | r scott gemmill & randy huggins | 9.38 | 33 | march 8 , 2009 | 4alf15 |
| 63 | 16 | hill 60 | james whitmore , jr | ted humphrey | 10.87 | 21 | march 15 , 2009 | 4alf16 |
| 64 | 17 | flesh & blood | dennis haysbert | lynn mamet & pete blaber | 8.14 (at 10:52) | 35 | march 22 , 2009 | 4alf17 |
| 65 | 18 | best laid plans | dean white | benjamin daniel lobato & patrick moss | 9.5 (at 10:20) | n / a | march 29 , 2009 | 4alf18 |
| 66 | 19 | whiplash | seth wiley | dan hindmarch | 9.05 (at 10:30) | 28 | april 12 , 2009 | 4alf19 |
| 67 | 20 | chaos theory | gwyneth horder - payton | sharon lee watson | 8.8 | n / a | april 26 , 2009 | 4alf20 |
| 68 | 21 | end game | lesli linka glatter | ted humphrey | 10 | n / a | may 3 , 2009 | 4alf21 |
Title:
the unit (season 4)
Statement:
episode with production code 4alf19 was ranked 28
Answer:
supported