Question: What is the ranking in size of the continent where Samokov Knoll is located?

full_context: Document 1: Vaptsarov Peak: Vaptsarov Peak (Vaptsarov Vrah \vap-'tsa-rov 'vr&h\) rises to approximately 410 m in Delchev Ridge, Tangra Mountains, eastern Livingston Island in the South Shetland Islands, Antarctica. The peak has steep and ice free western slopes, and surmounts Ihtiman Hook to the northwest and Sopot Ice Piedmont to the east, north and west.
Document 2: Antarctica: Due to its location at the South Pole, Antarctica receives relatively little solar radiation. This means that it is a very cold continent where water is mostly in the form of ice. Precipitation is low (most of Antarctica is a desert) and almost always in the form of snow, which accumulates and forms a giant ice sheet which covers the land. Parts of this ice sheet form moving glaciers known as ice streams, which flow towards the edges of the continent. Next to the continental shore are many ice shelves. These are floating extensions of outflowing glaciers from the continental ice mass. Offshore, temperatures are also low enough that ice is formed from seawater through most of the year. It is important to understand the various types of Antarctic ice to understand possible effects on sea levels and the implications of global cooling.
Document 3: Kuzman Knoll: Kuzman Knoll (Kuzmanova Mogila \'kuz-ma-no-va mo-'gi-la\) is a solitary ice-covered knoll rising to 620 m in eastern Livingston Island in the South Shetland Islands, Antarctica. The knoll forms a conspicuous landmark in Wörner Gap area, overlooking Huron Glacier and upper Perunika Glacier. It was named after Kuzman Tuhchiev, participant in the 1993/94 Bulgarian Antarctic campaign and base commander at St. Kliment Ohridski during the 1994-96 seasons.
Document 4: St. Evtimiy Crag: St. Evtimiy Crag (Sv. Evtimiev Kamak \sve-'ti ev-'ti-mi-ev 'ka-m&k\) is a rocky peak of elevation 350 m in Delchev Ridge, Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica surmounting Dobrudzha Glacier to the southwest, Ropotamo Glacier to the northeast and Yantra Cove to the east.
Document 5: Samokov Knoll: Samokov Knoll (Samokovska Mogila \'sa-mo-kov-ska mo-'gi-la\) is a peak of elevation 602 m in Yankov Gap area, Livingston Island in the South Shetland Islands, Antarctica. Surmounting Kaliakra Glacier to the northwest and Struma Glacier to the southeast.
Document 6: Wilkes Land: Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though the validity of this claim has been placed for the period of the operation of the Antarctic Treaty, to which Australia is a signatory. It fronts on the southern Indian Ocean between Queen Mary Coast and Adelie Land, extending from Cape Hordern in 100°31' E to Pourquoi Pas Point, in 136°11' E. The region extends as a sector about 2600 km towards the South Pole, with an estimated land area of 2,600,000 km², mostly glaciated. It is further subdivided in the following coastal areas which can also be thought of as sectors extending to the South Pole:
Document 7: Antarctica: Positioned asymmetrically around the South Pole and largely south of the Antarctic Circle, Antarctica is the southernmost continent and is surrounded by the Southern Ocean; alternatively, it may be considered to be surrounded by the southern Pacific, Atlantic, and Indian Oceans, or by the southern waters of the World Ocean. It covers more than 14,000,000 km2 (5,400,000 sq mi), making it the fifth-largest continent, about 1.3 times as large as Europe. The coastline measures 17,968 km (11,165 mi) and is mostly characterized by ice formations, as the following table shows:
Document 8: Malamir Knoll: Malamir Knoll (Malamirova Mogila \ma-la-'mi-ro-va mo-'gi-la\) rises to 200 m in the southeast extremity of the Dryanovo Heights, Greenwich Island in the South Shetland Islands, Antarctica. It has precipitous and ice-free southwest slopes and was named after the Bulgarian ruler Khan Malamir, 831-836 AD.
Document 9: Antarctic Plate: The Antarctic Plate is a tectonic plate containing the continent of Antarctica, the Kerguelen Plateau and extending outward under the surrounding oceans. After breakup from Gondwana (the southern part of the supercontinent Pangea), the Antarctic plate began moving the continent of Antarctica south to its present isolated location causing the continent to develop a much colder climate. The Antarctic Plate is bounded almost entirely by extensional mid-ocean ridge systems. The adjoining plates are the Nazca Plate, the South American Plate, the African Plate, the Somali Plate, the Indo-Australian Plate, the Pacific Plate, and, across a transform boundary, the Scotia Plate.
Document 10: Dobrich Knoll: Dobrich Knoll (Dobrichka Mogila \'do-brich-ka mo-'gi-la\) rises to over 400 m in the middle of Veleka Ridge, Tangra Mountains, eastern Livingston Island in Antarctica. It overlooks Tarnovo Ice Piedmont to the east and Arkutino Beach to the west. The knoll is named after the Bulgarian city of Dobrich.
Document 11: Wilkes Land: Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though the validity of this claim has been placed for the period of the operation of the Antarctic Treaty, to which Australia is a signatory. It fronts on the southern Indian Ocean between Queen Mary Coast and Adelie Land, extending from Cape Hordern in 100°31' E to Pourquoi Pas Point, in 136°11' E. The region extends as a sector about 2600 km towards the South Pole, with an estimated land area of 2,600,000 km², mostly glaciated. It is further subdivided in the following coastal areas which can also be thought of as sectors extending to the South Pole:
Document 12: Antarctica: Antarctica (US English i/æntˈɑːrktɪkə/, UK English /ænˈtɑːktɪkə/ or /ænˈtɑːtɪkə/ or /ænˈɑːtɪkə/)[Note 1] is Earth's southernmost continent, containing the geographic South Pole. It is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. At 14,000,000 square kilometres (5,400,000 square miles), it is the fifth-largest continent in area after Asia, Africa, North America, and South America. For comparison, Antarctica is nearly twice the size of Australia. About 98% of Antarctica is covered by ice that averages 1.9 km (1.2 mi; 6,200 ft) in thickness, which extends to all but the northernmost reaches of the Antarctic Peninsula.
Document 13: Antarctica: Antarctica is colder than the Arctic for three reasons. First, much of the continent is more than 3,000 m (9,800 ft) above sea level, and temperature decreases with elevation in the troposphere. Second, the Arctic Ocean covers the north polar zone: the ocean's relative warmth is transferred through the icepack and prevents temperatures in the Arctic regions from reaching the extremes typical of the land surface of Antarctica. Third, the Earth is at aphelion in July (i.e., the Earth is farthest from the Sun in the Antarctic winter), and the Earth is at perihelion in January (i.e., the Earth is closest to the Sun in the Antarctic summer). The orbital distance contributes to a colder Antarctic winter (and a warmer Antarctic summer) but the first two effects have more impact.
Document 14: Zemen Knoll: Zemen Knoll (Zemenska Mogila \'ze-men-ska mo-'gi-la\) is a peak of 453 m in the Vidin Heights on Varna Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The knoll overlooks Kaliakra Glacier to the southeast, and Saedinenie Snowfield to the northwest and west. The feature is named after the town of Zemen in Western Bulgaria.
Document 15: Sopot Ice Piedmont: Sopot Ice Piedmont (Lednik Sopot \'led-nik 'so-pot\) is situated on Burgas Peninsula, Livingston Island in the South Shetland Islands, Antarctica, northeast of Iskar Glacier and north of Ropotamo, Strandzha and Pautalia Glaciers. It extends 7.5 km in east-west direction and 2.4 km in south-north direction, drains the northern slopes of Delchev Ridge east of Delchev Peak and Ghiaurov Peak, and flows northward into Moon Bay between Rila Point to the west and Malyovitsa Crag near Renier Point to the east.
ground_truth: fifth-largest
sub_queries: What is the continent of Samokov Knoll? Answer: Antarctica
What is Antarctica 's ranking among the continents? Answer: fifth-largest