Question: When did the operator of SS Persic go out of business?

full_context: Document 1: SS Gothic (1893): SS "Gothic" was an ocean liner, built in 1893 at the Harland and Wolff Shipyards for the White Star Line. She was 490 ft long and 53 ft wide and 7755 gross registered tons. For much of her career she was transferred back and forth between White Star and the Red Star Line, both of which were subsidiaries of the International Mercantile Marine.
Document 2: Saint Helena: From 1958, the Union Castle shipping line gradually reduced its service calls to the island. Curnow Shipping, based in Avonmouth, replaced the Union-Castle Line mailship service in 1977, using the RMS (Royal Mail Ship) St Helena.
Document 3: RMS Cedric: "Cedric" was laid down in 1902 at the shipyard of Harland and Wolff, Belfast. She was the second of White Star's series known as the "Big Four", the other three being , and . "Celtic" was the first ship to exceed Brunel's in overall tonnage, which was quite an accomplishment, considering Brunel's giant ship held the size record for almost 40 years. Except for the "Adriatic" all of these in turn, when built, would be the largest ship in the world for a short time. RMS "Cedric" was a 21,035-gross ton ship, long and abeam, with two funnels, four masts, two propellers and a service speed of . There was accommodation for 365 first-, 160 second- and 2352 third-class passengers, and a crew of about 350. She was launched in Belfast on 21 August 1902, in a private ceremony which included several guests, amongst others William Pirrie, the chairman of Harland and Wolff and Bruce Ismay, chairman of White Star Line. RMS "Cedric" commenced her maiden voyage from Liverpool to New York on 11 February 1903. This was the only route on which she was ever used, although "Cedric" was also sometimes used for winter cruises to the Mediterranean.
Document 4: SS Suevic: SS "Suevic" was a steamship built by Harland and Wolff in Belfast for the White Star Line. "Suevic" was the fifth and last of the "Jubilee Class" ocean liners, built specifically to service the Liverpool-Cape Town-Sydney route, along with her sister ship "SS Runic". In 1907 she was wrecked off the south coast of England, but in the largest rescue of its kind, all passengers and crew were saved. The ship herself was deliberately broken in two, and a new bow was attached to the salvaged stern portion. Later serving as a Norwegian whaling factory ship carrying the name "Skytteren", she was scuttled off the Swedish coast in 1942 to prevent her capture by ships of Nazi Germany.
Document 5: SS Cymric: SS "Cymric" was a steamship of the White Star Line built by Harland and Wolff in Belfast and launched on 12 October 1897. She had originally been designed as a combination passenger liner and livestock carrier, with accommodations for only First Class passengers. During the stages of her design layout, it became clearer to the designers at Harland and Wolff that combining passengers and livestock had become rather unpopular, so the spaces designated for cattle were reconfigured into Third Class accommodations. She departed Liverpool on her maiden voyage on 29 April 1898, arriving in New York City on 9 May 1898. She spent the first five years of her career on the White Star Line's main passenger service route between Liverpool and New York, until 1903 when she was transferred to the less traveled Liverpool-Boston route, which she sailed on for nine years before being returned to the New York route in 1912.
Document 6: SS Ionic (1883): SS "Ionic was a cargo liner initially in service with White Star Line from 1883 until 1900. She was used on the company's joint route to New Zealand with the Shaw, Savill & Albion Line. She was sold to the Aberdeen Line in 1900 and renamed SS "Sophocles, and was withdrawn for service in 1906 and scrapped in 1908.
Document 7: White Star Line: White Star Line Former type Partnership Industry Shipping, transportation Fate merged with Cunard Line Successor Cunard White Star Line Founded 1845 (1845) in Liverpool, England Defunct 1934 Area served Transatlantic Parent Ismay, Imrie and Co. Website www.cunard.co.uk
Document 8: RMS Oceanic (1870): RMS "Oceanic" was the White Star Line's first liner and an important turning point in passenger liner design. Entering service in 1871 for Atlantic crossings, she was later chartered to Occidental and Oriental Steamship Company (O&O) in 1875. The ship provided passenger service for O&O in the Pacific until 1895 when she was sold for scrap.
Document 9: SS Megantic: SS "Mégantic" was an ocean liner built by Harland and Wolff, of Belfast, and operated by the White Star Line. The liner was launched in 1908 and was . The ship was attacked by a German U-boat during World War I, but survived. "Mégantic" was taken out of service in 1931 and scrapped in 1933.
Document 10: Oceanic (unfinished ship): The RMMV "Oceanic" (Royal Mail Motor Vessel) was the planned name of an unfinished ocean liner that was partially built by Harland and Wolff for the White Star Line. The ship was to have been the first -long ocean liner. It was intended to be the largest ocean liner for the White Star Line, thus it would have been larger than the earlier White Star giants, "Olympic", "Titanic", "Britannic", and "Majestic."
Document 11: SS Persic: SS "Persic" was an ocean liner of the White Star Line, built by Harland and Wolff in 1899. She was one of the five 'Jubilee Class' ships (the others being the , , and "Runic") built specifically to service the Liverpool–Cape Town–Sydney route. The voyage took six weeks.
Document 12: SS Baltic (1871): SS "Baltic" was an ocean liner owned and operated by the White Star Line. "Baltic" was one of the first four ships ordered by White Star from shipbuilders Harland and Wolff after Thomas Ismay bought the company, and the third of the ships to be delivered.
Document 13: American Export-Isbrandtsen Lines: American Export-Isbrandtsen Lines, New York, was the leading US-flag shipping company between the U.S. east coast and the Mediterranean from 1919 to 1977, offering both cargo ship services and passenger ship services, until it declared bankruptcy and was acquired by Farrell Lines, New York.
Document 14: SS Britannic (1874): "Britannic" was a single-screw passenger steamship equipped with sails built for the White Star Line's North Atlantic run. It was initially to be called "Hellenic", but, just prior to her launch, her name was changed to "Britannic". Together with her sister "Germanic", "Britannic" sailed for nearly thirty years, primarily carrying immigrant passengers on the highly trafficked Liverpool to New York City route. In 1876 it received the Blue Riband, both westbound and eastbound, by averaging almost .
Document 15: Williams & Guion Black Star Line: The Black Star Line was the name used by American sailing packets owned by the New York firm of Williams and Guion from 1848 to 1866. The line owned 18 ships on the Liverpool-Queenstown-New York route. The line was shut down in 1863 because of the success of newer, faster liners and the danger of transatlantic travel during the American Civil War.
ground_truth: 1934
sub_queries: SS Persic >> operator Answer: White Star Line
when did White Star Line go out of business Answer: 1934