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:
| Artist | Album | Country | Year | Catalog # | Format |
| --- | --- | --- | --- | --- | --- |
| The Beach Boys | L.A. (Light Album) | US | 1979.0 | JZ 35752 | LP |
| The Beach Boys | L.A. (Light Album) | US | 1989.0 | ZK 35752 | CD |
| The Beach Boys | Keepin' the Summer Alive | US | 1980.0 | FZ 36293 | LP |
| The Beach Boys | Keepin' the Summer Alive | US | 1991.0 | ZK 36293 | CD |
| The Beach Boys | Ten Years of Harmony | US | 1981.0 | Z2X 37445 | 2LP |
| The Beach Boys | Ten Years of Harmony | US | 1988.0 | Z2K 37445 | 2CD |
| The Beach Boys | The Beach Boys | US | 1985.0 | BFZ 39946 | LP |
| The Beach Boys | The Beach Boys | US | 1985.0 | ZK 39946 | CD |
| Carl Wilson | Carl Wilson | US | 1981.0 | NJZ 37010 | LP |
| Carl Wilson | Carl Wilson | Japan | 1991.0 | SRCS 6102 | CD |
| Carl Wilson | Youngblood | US | 1983.0 | BFZ 37970 | LP |
| Carl Wilson | Youngblood | Japan | 1991.0 | SRCS 6103 | CD |
| Dennis Wilson | Pacific Ocean Blue | US | 1977.0 | PZ 34354 | LP |
| Dennis Wilson | Pacific Ocean Blue | US | 1991.0 | ZK 34354 | CD |
| Dennis Wilson | Pacific Ocean Blue | US | 2008.0 | CD: 88697339322 LP: SUZ5212.1 | CD/LP |
| L.A. Express | The L.A. Express | US | 1976.0 | PZ 33940 | LP |
| L.A. Express | Shadow Play | US | 1976.0 | PZ 34355 | LP |
| Lake | Ouch! | US | 1980.0 | JZ 37083 | LP |
| Matthew Moore | Winged Horses | US | 1978.0 | JZ 35611 | LP |
| Matthew Moore | The Sport Of Guessing | US | 1979.0 | JZ 36118 | LP |
| O.C. Smith | Together | US | 1977.0 | PZ 34471 | LP |
| James Vincent | Waiting for the Rain | CA | 1978.0 | AL 34899 | LP |
Question:
What is the format of the album Pacific Ocean Blue in 1991?
Answer:
CD