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:
| Rank | Name | Height feet(m) | Floors | Year |
| --- | --- | --- | --- | --- |
| 1 | One America Plaza | 500 (152) | 34.0 | 1991.0 |
| 2 | Symphony Towers | 499 (152) | 34.0 | 1989.0 |
| 3 | Manchester Grand Hyatt Hotel | 497 (151) | 40.0 | 1992.0 |
| 4 | Electra | 475 (145) | 43.0 | 2007.0 |
| 5= | Emerald Plaza | 450 (137) | 30.0 | 1990.0 |
| 5= | Pinnacle Marina Tower | 450 (137) | 36.0 | 2005.0 |
| 7 | Manchester Grand Hyatt Seaport | 446 (136) | 34.0 | 2003.0 |
| 8= | Harbor Club West | 424 (129) | 41.0 | 1992.0 |
| 8= | Harbor Club East | 424 (129) | 41.0 | 1992.0 |
| 10= | The Grande South at Santa Fe Place | 420 (128) | 39.0 | 2004.0 |
| 10= | The Grande North at Santa Fe Place | 420 (128) | 39.0 | 2005.0 |
| 10= | Vantage Pointe Condominium | 420 (128) | 41.0 | 2009.0 |
| 13 | Advanced Equities Plaza | 412 (126) | 23.0 | 2005.0 |
| 14 | Bayside at the Embarcadero | 395 (120) | 36.0 | 2009.0 |
| 15 | Union Bank of California Building | 388 (118) | 27.0 | 1969.0 |
| 16 | Hilton San Diego Bayfront | 385 (117) | 32.0 | 2008.0 |
| 17 | The Mark | 381 (116) | 33.0 | 2007.0 |
| 18 | Sapphire Tower | 380 (116) | 32.0 | 2008.0 |
| 19 | First National Bank Center | 379 (116) | 27.0 | 1982.0 |
| 20 | Omni San Diego Hotel | 375 (114) | 34.0 | 2004.0 |
| 21 | Meridian Condominiums | 371 (113) | 28.0 | 1985.0 |
| 22= | Marriott Hotel and Marina Tower I | 361 (110) | 24.0 | 1987.0 |
| 22= | Marriott Hotel and Marina Tower II | 361 (110) | 24.0 | 1987.0 |
| 24 | Imperial Bank Tower | 355 (108) | 24.0 | 1982.0 |
| 25 | Executive Complex | 350 (107) | 25.0 | 1963.0 |
| 26 | AT&T Building | 348 (106) | 20.0 | 1982.0 |
| 27 | Comerica Bank Building | 339 (103) | 23.0 | 1974.0 |
| 28 | U.S. Federal Courthouse | 333 (101) | 16.0 | 2012.0 |
| 29 | Wells Fargo Plaza | 331 (101) | 23.0 | 1984.0 |
| 30 | El Cortez Apartment Hotel | 310 (94) | 16.0 | 1927.0 |
| 31 | NBC Building | 306 (93) | 22.0 | 1975.0 |
Question:
with rank of 31 what is the year?
Answer:
1.0