Question: What year did the movie come out that is currently the theme for Disneyland's Submarine Voyage?

Context paragraphs:
Main Street Electrical Parade: The Main Street Electrical Parade is a nighttime parade, created by Bob Jani and project director Ron Miziker, famous for its long run at Disneyland at the Disneyland Resort in California and Magic Kingdom at the Walt Disney World Resort in Florida.  It features floats and live performers covered in thousands of electronically controlled lights and a synchronized soundtrack triggered by radio control along key areas of the parade route.  The parade has also spun off several other versions that ran or continue to run at Disney parks around the world.  Currently, an updated version runs at Tokyo Disneyland as the "Tokyo Disneyland Electrical Parade: DreamLights".  In 2014, Hong Kong Disneyland premiered a spiritual successor to the Main Street Electrical Parade, the "Paint the Night Parade", which, like its predecessor, features "Baroque Hoedown" as its theme song.  An extended version of "Paint the Night" premiered at Disneyland on May 22, 2015 as part of the park's 60th anniversary celebration.

Starcadia: Starcadia is an EP by Joy Electric.  The concept of Starcadia is based upon rides that have existed in Disneyland: Matterhorn Bobsleds, Space Mountain, Starcade, Submarine Voyage, and Carousel of Progress.  Musically it was described as "more cosmic and spacey" than the band's prior releases.

Submarine Voyage: The Submarine Voyage was an attraction at Disneyland in Anaheim, California.  The attraction, which featured ride vehicles designed to resemble submarines, opened on June 14, 1959, as one of the first rides to require an E ticket.  It was part of a major expansion of Tomorrowland and Fantasyland, which also included the Matterhorn Bobsleds roller coaster, an expanded version of Autopia, the Disneyland Monorail, and the Motor Boat Cruise.  The Submarine Voyage closed on September 9, 1998; at that time, it was reported that the attraction would reopen with a new theme by 2003, but that did not occur.  The attraction ultimately reopened in June 2007 themed to Disney·Pixar's "Finding Nemo", and now operates as Finding Nemo Submarine Voyage.

List of Disney California Adventure attractions: Disney California Adventure is a Disney theme park in Anaheim, California, adjacent to Disneyland and part of the larger Disneyland Resort.  It opened on February 8, 2001.  Here is a list of the current attractions found therein, arranged by "land" and with brief descriptions.  These are only attractions from the Disney California Adventure itself, not from Disneyland park or other parts of the Disneyland Resort, and that parades and character meets are not listed in this article.  (The term "attractions" is used by Disney as a catch-all term for rides, shows, and exhibits.)  Disney California Adventure currently has 34 attractions in the theme park.

Voyage (Ayumi Hamasaki song): "Voyage" is the 28th single released by Ayumi Hamasaki on September 26, 2002.  "Voyage" debuted at #1 on the weekly charts with more than 319,020 copies sold in its first week and remained at the top position for three consecutive weeks out of a total 28 weeks on the chart, becoming her longest-charting single.  The single sold a total of 679,463 copies and became the ninth-best-selling single of the year.  To date, "Voyage" is Ayumi Hamasaki's only single which has remained in the top position of the weekly Oricon charts for at least three weeks other than "H" and "A"; however, "Voyage" is Hamasaki's only single to stay at #1 for three consecutive weeks ("A" and "H" spent 3 non-consecutive weeks at #1).  "Voyage" was used as the theme song of the Japanese movie "Tsuki ni Shizumu", which was created in lieu of a PV for the single.  It was also used as the ending song of a Japanese television drama "My Little Chef", starring Hiroshi Abe and Aya Ueto.

Bob Gurr: Robert Henry "Bob" Gurr (born October 25, 1931 in Los Angeles, California) is an American amusement ride designer and Imagineer.  His most famous work was for Walt Disney's Disneyland Park, and its subsequent sister parks.  Gurr is said to have designed most, if not all, of the ride vehicles of the Disneyland attractions, including Autopia, Haunted Mansion, the Disneyland Monorail, the Submarine Voyage, and the Matterhorn Bobsleds.  He was named a Disney Legend in 2004.  He also worked on the King Kong Encounter animatronic for Universal Studios Hollywood.

It's a Small World: It's a Small World (currently styled it's a small world) is a water-based dark ride located in the Fantasyland area at the various Walt Disney Parks and Resorts worldwide; these include: Disneyland Park in Anaheim, California, the Magic Kingdom at Walt Disney World Resort in Lake Buena Vista, Florida, Tokyo Disneyland, Disneyland Paris, and Hong Kong Disneyland.  The ride features over 300 audio-animatronic children in traditional costumes from cultures around the world, frolicking in a spirit of international unity, and singing the attraction's title song, which has a theme of global peace.

Finding Nemo: Finding Nemo is a 2003 American computer-animated family film produced by Pixar Animation Studios and released by Walt Disney Pictures.  Written and directed by Andrew Stanton with co-direction by Lee Unkrich, the film stars the voices of Albert Brooks, Ellen DeGeneres, Alexander Gould, and Willem Dafoe.  It tells the story of the overprotective ocellaris clownfish named Marlin who, along with a regal blue tang named Dory, searches for his abducted son Nemo all the way to Sydney Harbour.  Along the way, Marlin learns to take risks and comes to terms with Nemo taking care of himself.

20,000 Leagues Under the Sea: Submarine Voyage: 20,000 Leagues Under the Sea: Submarine Voyage was an attraction at the Magic Kingdom theme park at Walt Disney World from 1971 through 1994.

Finding Nemo Submarine Voyage: Finding Nemo Submarine Voyage is an attraction located in the Tomorrowland area of Disneyland Park in Anaheim, California, which opened on June 11, 2007.  Based on the characters and settings of the 2003 Disney·Pixar film, "Finding Nemo", it is a re-theming of the classic Submarine Voyage attraction that operated from 1959 to 1998.

Supporting paragraphs: Submarine Voyage Finding Nemo
Answer: 2003