In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.
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Question: Passage: "A symphony in subtle shades of white and green", the White Garden is considered the "most renowned" and most influential of all of Sissinghurst's garden rooms. Planned before the war, it was completed in the winter of 19491950. Using a palette of white, silver, grey, and green, it has been called "one of Vita and Harold's most beautiful and romantic visions". Sackville-West recorded her original inspiration in a letter to Nicolson dated 12 December 1939: "I have got what I hope will be a lovely scheme for it: all white flowers, with some clumps of very pale pink". The concept of single-colour gardens had enjoyed some popularity at the end of the 19th century, but few such gardens remained when Sissinghurst was designed. Influences for the White Garden include Hidcote and Phyllis Reiss's garden at Tintinhull, both of which Vita had seen. Gertrude Jekyll had discussed the concept, but argued for varying the white palette with the use of blue or yellow plants, advice followed by Reiss. But neither Hidcote nor Tintinhull equals the "full-scale symphony" of the White Garden at Sissinghurst. A more prosaic motivation for the colour scheme was to provide reflected illumination for Sackville-West and Nicolson as they made their way from their bedrooms at the South Cottage to the Priest's House for dinner.
The focal point of the garden was originally four almond trees, encased in a canopy of the white rose, Rosa mulliganii. By the 1960s, the weight of the roses had severely weakened the trees, and they were replaced with an iron arbour designed by Nigel Nicolson. Beneath the arbour is sited a Ming dynasty vase bought in Cairo. A lead statue of a Vestal Virgin, cast by Toma Rosandic from the wooden original which is in the Big Room, presides over the garden. Sackville-West intended that the statue should be enveloped by a weeping pear tree, Pyrus salicifolia 'Pendula', and the present tree was planted after her original was destroyed in the Great Storm of 1987. Lord considers the White Garden "the most ambitious and successful of its time, the most entrancing of its type".A possibly apocryphal story records a visit by the colour-loving gardener Christopher Lloyd, during which he is supposed to have scattered seeds of brightly coloured nasturtiums across the lawn. Troy Scott Smith, the current head gardener, is undertaking a major research project on the history of the White Garden with the intention of recreating the original planting scheme in its entirety. This project has seen the number of plants being propagated in the Sissinghurst nursery rise from 400 to over 530.

Answer: What is the full name of the man who's project has increased the plants at Sissinghurst from 400 to 530?

Question: Passage: In 1861 Saint-Saens accepted his only post as a teacher, at the Ecole de Musique Classique et Religieuse, Paris, which Louis Niedermeyer had established in 1853 to train first-rate organists and choirmasters for the churches of France. Niedermeyer himself was professor of piano; when he died in March 1861, Saint-Saens was appointed to take charge of piano studies. He scandalised some of his more austere colleagues by introducing his students to contemporary music, including that of Schumann, Liszt and Wagner. His best-known pupil, Gabriel Faure, recalled in old age:
After allowing the lessons to run over, he would go to the piano and reveal to us those works of the masters from which the rigorous classical nature of our programme of study kept us at a distance and who, moreover, in those far-off years, were scarcely known. ... At the time I was 15 or 16, and from this time dates the almost filial attachment ... the immense admiration, the unceasing gratitude I [have] had for him, throughout my life.
Saint-Saens further enlivened the academic regime by writing, and composing incidental music for, a one-act farce performed by the students (including Andre Messager). He conceived his best-known piece, The Carnival of the Animals, with his students in mind, but did not finish composing it until 1886, more than twenty years after he left the Niedermeyer school.In 1864 Saint-Saens caused some surprise by competing a second time for the Prix de Rome. Many in musical circles were puzzled by his decision to enter the competition again, now that he was establishing a reputation as a soloist and composer. He was once more unsuccessful. Berlioz, one of the judges, wrote:
We gave the Prix de Rome the other day to a young man who wasn't expecting to win it and who went almost mad with joy. We were all expecting the prize to go to Camille Saint-Saens, who had the strange notion of competing. I confess I was sorry to vote against a man who is truly a great artist and one who is already well known, practically a celebrity. But the other man, who is still a student, has that inner fire, inspiration, he feels, he can do things that can't be learnt and the rest he'll learn more or less. So I voted for him, sighing at the thought of the unhappiness that this failure must cause Saint-Saens. But, whatever else, one must be honest.

Answer: What is the first name of the man who scandalised some of his more austere colleagues by introducing his students to contemporary music.?

Question: Passage: Nigel Reuben Rook Williams (15 July 1944 21 April 1992) was an English conservator and expert on the restoration of ceramics and glass. From 1961 until his death he worked at the British Museum, where he became the Chief Conservator of Ceramics and Glass in 1983. There his work included the successful restorations of the Sutton Hoo helmet and the Portland Vase.
Joining as an assistant at age 16, Williams spent his entire career, and most of his life, at the British Museum. He was one of the first people to study conservation, not yet recognised as a profession, and from an early age was given responsibility over high-profile objects. In the 1960s he assisted with the re-excavation of the Sutton Hoo ship-burial, and in his early- to mid-twenties he conserved many of the objects found therein: most notably the Sutton Hoo helmet, which occupied a year of his time. He likewise reconstructed other objects from the find, including the shield, drinking horns, and maplewood bottles.
The "abiding passion of his life" was ceramics, and the 1970s and 1980s gave Williams ample opportunities in that field. After nearly 31,000 fragments of shattered Greek vases were found in 1974 amidst the wreck of HMS Colossus, Williams set to work piecing them together. The process was televised, and turned him into a television personality. A decade later, in 1988 and 1989, Williams's crowning achievement came when he took to pieces the Portland Vase, one of the most famous glass objects in the world, and put it back together. The reconstruction was again televised for a BBC programme, and as with the Sutton Hoo helmet, took nearly a year to complete.
Williams died at age 47 of a heart attack while in Aqaba, Jordan, where he was working on a British Museum excavation. The Ceramics & Glass group of the Institute of Conservation awards a biennial prize in his honour, recognising his significant contributions in the field of conservation.

Answer:
What is the last name of the person who worked at the British Museum from 1961 to his death?