Question: On what peninsula is the most important work of Francis William Deas ?

Context paragraphs:
Francis Bullock-Marsham: Colonel Francis William Bullock-Marsham {'1': ", '2': ", '3': ", '4': "} (13 July 1883 – 22 December 1971), sometimes known as Francis Marsham, was a senior officer in the British Army and an English amateur cricketer who played one first-class cricket match for Kent County Cricket Club and one for MCC, both in 1905.  Part of the Marsham family that were involved with Kent County Cricket Club.  He was born in Bicester and died in Maidstone.

Francis Stronge: Sir Francis William Stronge {'1': ", '2': ", '3': ", '4': "} (22 November 1856 – 20 August 1924), was a senior British diplomat and the second son of Sir John Calvert Stronge and Lady Margaret Stronge.  Sir Francis never inherited the baronetcy but was later knighted in his own right.

Francis William Deas: Francis William Deas (1862 –13 November 1951) was an important Scottish Arts and Crafts architect and landscape designer in the late 19th century and first half of the 20th century.  He was a keen amateur painter, largely of landscapes.  His most important work was probably the restoration of Castle Toward.

Edward Rice (priest): The second son of the Welsh politician George Rice and his wife the Cecil de Cardonnel, 2nd Baroness Dynevor, he was educated at Christ Church, Oxford.  In 1800 he married Charlotte Lascelles, the illegitimate daughter of General Francis Lascelles and singer Ann Catley.  Their second son was Francis William Rice, 5th Baron Dynevor.  He was Precentor of York Minster from 1802, and Prebend of Driffield until his death; and held the living at Great Rissington from 1810 to 1856 when he passed it to his eldest son, Henry.

Castle Toward: Castle Toward (Scottish Gaelic: "Caisteal an Toll Àird" ) is a nineteenth-century country house on the southern tip of the Cowal peninsula, overlooking Rothesay Bay in Argyll and Bute on the west-coast of Scotland.

Jnanappana: Jnanappana is a devotional poem written by the 16th century Malayalam poet Poonthanam.  This poem written as a devotional prayer to Guruvayoorappan is considered as an important work in Malayalam literature.  Written in simple Malayalam, the Jnanappana was Poonthanam's magnum opus and is an important work of Bhakti literature from Kerala and is revered for its poetic merit and intensity of devotion.

Amy Elsie Horrocks: Amy Elise Horrocks (February 23, 1867 – ca. 1919) was an English music educator, composer and pianist.  She was born to English parents (Francis James Horrocks July 8, 1829 - April 27, 1913) and Hannah Horrocks (née Allen 1833 - April 22, 1913) in Rio Grande do Sul, Brazil, and in 1882 studied piano and composition at the Royal Academy of Music with Adolf Schlösser and Francis William Davenport.  She won the Potter Exhibition prize in 1888 and the Bennett Prize in 1889.  After completing her studies, she performed as a pianist and taught music in London.  There are claims that she was proposed to by Sir Henry Wood, whom she turned down.  One of her compositions, "Romaunt of the Page", had its premiere at one of the Promenade Concerts on 6 October 1899.

Francis Coker: Francis William Coker (November 1, 1878 – May 26, 1963) was an American political scientist and the chairman of the Department of Government at Yale University from 1937 to 1945.  Coker's work focused on political theory, particularly theories of the state and the nature of democracy.

Francis Adams (writer): Francis William Lauderdale Adams (27 September 1862 – 4 September 1893) was an essayist, poet, dramatist, novelist and journalist who produced a large volume of work in his short life.

St Patrick's Basilica, Waimate: St Patrick's Basilica or Waimate Basilica, as it is popularly known because of its style of architecture, was built in 1908-1909, with the tower added in 1912.  It is an Italianate-Romanesque style with an arcaded portico and the tower is impressively louvred.  The Basilica was built in brick to a design by Francis William Petre and has been described as his most original work.  Three bells in the tower were cast in Belgium, with the largest bell weighing 3/4 of ton and the other two weighing 1/2 ton each.  The tower at the top was built in 1912 and is 45ft high.  Within are a fine pipe organ, a marble altar and a notable sanctuary window.  The Basilica is listed by Heritage New Zealand as a Historic Place, Category 1.

Supporting paragraphs: Francis William Deas Castle Toward
Answer: the Cowal peninsula