The Tsavo Trust is a non-profit wildlife conservation organisation, which covers Tsavo East National Park, Tsavo West National Park, and Chyulu Hills National Park in Kenya.
 The trust was founded by Nzioki wa Makau who is chairman of the board, along with Tanya Saunders who is chief executive officer, Ian Saunders chief operations officer, and Richard Moller who is chief conservation officer and pilot.
 The started aim of the trust is the protection of wildlife, especially African elephants, and the reduction of the ivory trade.
 In June 2014, the Tsavo Trust came into the international spotlight when it announced the death of Kenya's iconic and most well-known elephant, Satao, killed by an ivory poacher with a poisoned arrow.
The Tsavo Conservation Area is a complex of protected and other wildlife areas in southern Kenya and north-eastern Tanzania.
 It is composed of Tsavo East National Park, Tsavo West National Park, Chyulu Hills National Park, South Kitui National Reserve, ranches in Galana, Taita, Kulalu and Amboseli and adjacent private and communal lands.
 The Conservation Area comprises an area of around 42,000 km, of which over 25,000 km is protected.
 The protected portion in Kenya represent almost half of the country's protected areas.
Tsavo East National Park is one of the oldest and largest parks in Kenya at 13,747 square kilometres.
 Situated in a semi-arid area previously known as the Taru Desert it opened in April 1948, and is located near the town of Voi in the Taita-Taveta County of the former Coast Province.
 The park is divided into east and west sections by the A109 road and a railway.
 Named for the Tsavo River, which flows west to east through the national park, it borders the Chyulu Hills National Park, and the Mkomazi Game Reserve in Tanzania.
The Tsavo lion ("Panthera leo melanochaita") is a lion population in the Tsavo East National Park, Kenya.
The Voi River (Goshi River) is a river in Coast Province, Kenya, East Africa.
 It originates in the Taita Hills and flows past the town of Voi and through the Tsavo East National Park before emptying into the sea at Kilifi.
 Its total length is about 210 km .
 However, in the dry season only the last (lower) eighty kilometres has water in it.
The Tsavo Man-Eaters were a pair of man-eating Tsavo lions responsible for the deaths of a number of construction workers on the Kenya-Uganda Railway from March through December 1898.
 The significance of this pair of lions was their unusual behavior, such as the number of men killed and the manner of the attacks.
Tsavo West National Park is located in the Coast Province of Kenya.
 The park covers an area of 9,065 square kilometres.
 The A109 road Nairobi-Mombasa and a railway divides it from the adjoining Tsavo East National Park.
 Together with adjoining ranches and protected areas, they comprise the Tsavo Conservation Area.
 Tsavo West is a more popular destination on account of its magnificent scenery, Mzima Springs, rich and varied wildlife, good road system, rhino reserve, rock climbing potential and guided walks along the Tsavo River.
 The park is operated by Kenya Wildlife Service.
The Ghost and the Darkness is a 1996 American historical adventure film directed by Stephen Hopkins and starring Val Kilmer and Michael Douglas.
 The screenplay was written by William Goldman.
 The story is a fictionalized account of the Tsavo Man-Eaters, two lions that attacked and killed workers at Tsavo, Kenya, during the building of the Uganda-Mombasa Railway in East Africa in 1898.
The Tsavo River is located in Coast province in Kenya.
 It runs east from the western end of the Tsavo West National Park of Kenya, near the border of Tanzania, until it joins with the Athi River, forming the Galana River near the center of the park.
 This river is the main contributor to the watershed of the lower portion of the park region, and is home to abundant fish.
 The Tsavo River is the site of the 1898 Tsavo Maneaters incident.
Tsavo is a region of Kenya located at the crossing of the Uganda Railway over the Tsavo River, close to where it meets the Athi River.
 "Tsavo" means "slaughter" in the language of the Kamba people.
 Until the British put an end to the slave trade in the late 19th century, Tsavo was continually crossed by caravans of Arab slavers and their captives.
 Two national parks, Tsavo East and Tsavo West, are nearby.

Question: The Tsavo Man-Eaters were a pair of which man-eating animal, responsible for the deaths of a number of construction workers on the Kenya-Uganda Railway from March through December 1898, what's the lion population in the Tsavo East National Park, Kenya, called ?
Answer: Tsavo lion