Table:
Name of President | Picture | Life span | Year of Presidency | Place of Conference
Womesh Chunder Bonnerjee |  | 29 December 1844 – 1906 | 1885 | Bombay
Dadabhai Naoroji |  | 4 September 1825 – 1917 | 1886 | Calcutta
Badruddin Tyabji |  | 10 October 1844 – 1906 | 1887 | Madras
George Yule |  | 1829–1892 | 1888 | Allahabad
William Wedderburn |  | 1838–1918 | 1889 | Bombay
Pherozeshah Mehta | 75px | 4 August 1845 – 1915 | 1890 | Calcutta
Anandacharlu |  | August 1843– 1908 | 1891 | Nagpur
Womesh Chunder Bonnerjee |  | 29 December 1844 – 1906 | 1892 | Allahabad
Dadabhai Naoroji |  | 4 September 1848 – 1925 | 1893 | Lahore
Alfred Webb |  | 1834–1908 | 1894 | Madras
Surendranath Banerjee |  | 10 November 1848 – 1925 | 1895 | Poona
Rahimtulla M. Sayani |  | 5 April 1847 – 1902 | 1896 | Calcutta
C. Sankaran Nair |  | 11 July 1857 – 1934 | 1897 | Amraoti
Anandamohan Bose |  | 23 September 1847 – 1906 | 1898 | Madras
Romesh Chunder Dutt |  | 13 August 1848 – 1909 | 1899 | Lucknow
N. G. Chandavarkar |  | 2 December 1855 – 1923 | 1900 | Lahore
Dinshaw Edulji Wacha |  | 2 August 1844 – 1936 | 1901 | Calcutta
Surendranath Banerjee |  | 10 November 1825 – 1917 | 1902 | Ahmedabad
Lalmohan Ghosh |  | 1848–1909 | 1903 | Madras
Henry Cotton |  | 1845–1915 | 1904 | Bombay
Gopal Krishna Gokhale |  | 9 May 1866 – 1915 | 1905 | Benares
Dadabhai Naoroji |  | 4 September 1825 – 1917 | 1906 | Calcutta
Rashbihari Ghosh |  | 23 December 1845 – 1921 | 1907 | Surat
Rashbihari Ghosh |  | 23 December 1845 – 1921 | 1908 | Madras
Madan Mohan Malaviya |  | 25 December 1861 – 1946 | 1909 | Lahore
William Wedderburn |  | 1838–1918 | 1910 | Allahabad
Bishan Narayan Dar |  | 1864–1916 | 1911 | Calcutta
Raghunath Narasinha Mudholkar |  | 1857–1921 | 1912 | Bankipur
Nawab Syed Muhammad Bahadur |  | ?- 1919 | 1913 | Karachi
Bhupendra Nath Bose |  | 1859–1924 | 1914 | Madras
Lord Satyendra Prasanna Sinha |  | March 1863– 1928 | 1915 | Bombay
Ambica Charan Mazumdar |  | 1850–1922 | 1916 | Lucknow
Annie Besant |  | 1 October 1847 – 1933 | 1917 | Calcutta
Madan Mohan Malaviya |  | 25 December 1861 – 1946 | 1918 | Delhi
Syed Hasan Imam |  | 31 August 1871 – 1933 | 1918 | Bombay (Special Session)
Motilal Nehru |  | 6 May 1861– 6 February 1931 | 1919 | Amritsar
Lala Lajpat Rai |  | 28 January 1865– 17 November 1928 | 1920 | Calcutta (Special Session)
C. Vijayaraghavachariar |  | 1852– 19 April 1944 | 1920 | Nagpur
Hakim Ajmal Khan |  | 1863– 29 December 1927 | 1921 | Ahmedabad
Deshbandhu Chittaranjan Das |  | 5 November 1870– 16 June 1925 | 1922 | Gaya
Mohammad Ali Jouhar |  | 10 December 1878– 4 January 1931 | 1923 | Kakinada
Abul Kalam Azad |  | 1888– 22 February 1958 | 1923 | Delhi (Special Session)
Mohandas Gandhi |  | 2 October 1869– 30 January 1948 | 1924 | Belgaum
Sarojini Naidu |  | 13 February 1879– 2 March 1949 | 1925 | Kanpur
S. Srinivasa Iyengar |  | September 11, 1874– 19 May 1941 | 1926 | Gauhati
Mukhtar Ahmed Ansari |  | 25 December 1880– 10 May 1936 | 1927 | Madras
Motilal Nehru |  | 6 May 1861– 6 February 1931 | 1928 | Calcutta
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1929 & 30 | Lahore
Vallabhbhai Patel |  | 31 October 1875– 15 December 1950 | 1931 | Karachi
Madan Mohan Malaviya |  | 25 December 1861 – 1946 | 1932 | Delhi
Madan Mohan Malaviya |  | 25 December 1861 – 1946 | 1933 | Calcutta
Nellie Sengupta |  | 1886–1973 | 1933 | Calcutta
Rajendra Prasad |  | 3 December 1884– 28 February 1963 | 1934 & 35 | Bombay
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1936 | Lucknow
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1936& 37 | Faizpur
Subhas Chandra Bose |  | 23 January 1897 – Unknown | 1938 | Haripura
Subhas Chandra Bose |  | 23 January 1897 – Unknown | 1939 | Tripuri
Abul Kalam Azad |  | 1888– 22 February 1958 | 1940–46 | Ramgarh
J. B. Kripalani |  | 1888– 19 March 1982 | 1947 | Meerut
Pattabhi Sitaraimayya |  | 24 December 1880– 17 December 1959 | 1948 & 49 | Jaipur
Purushottam Das Tandon |  | 1 August 1882– 1 July 1961 | 1950 | Nasik
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1951 & 52 | Delhi
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1953 | Hyderabad
Jawaharlal Nehru |  | 14 November 1889– 27 May 1964 | 1954 | Calcutta
U. N. Dhebar |  | 21 September 1905 – 1977 | 1955 | Avadi
U. N. Dhebar |  | 21 September 1905 – 1977 | 1956 | Amritsar
U. N. Dhebar |  | 21 September 1905 – 1977 | 1957 | Indore
U. N. Dhebar |  | 21 September 1905 – 1977 | 1958 | Gauhati
U. N. Dhebar |  | 21 September 1905 – 1977 | 1959 | Nagpur
Indira Gandhi |  | 19 November 1917– 31 October 1984 | 1959 | Delhi
Neelam Sanjiva Reddy |  | 19 May 1913– 1 June 1996 | 1960 | Bangalore
Neelam Sanjiva Reddy |  | 19 May 1913– 1 June 1996 | 1961 | Bhavnagar
Neelam Sanjiva Reddy |  | 19 May 1913– 1 June 1996 | 1962 & 63 | Patna
K. Kamaraj |  | 15 July 1903– 2 October 1975 | 1964 | Bhubaneswar
K. Kamaraj |  | 15 July 1903– 2 October 1975 | 1965 | Durgapur
K. Kamaraj |  | 15 July 1903– 2 October 1975 | 1966 & 67 | Jaipur
S. Nijalingappa |  | 10 December 1902– 9 August 2000 | 1968 | Hyderabad
S. Nijalingappa | 15 December 1992– 9 August 2000 | 1968 | gujarat | 
p. mehul | 10 December 1902– 9 August 2000 | 1969 | Faridabad | 
Jagjivan Ram |  | 5 April 1908– 6 July 1986 | 1970 & 71 | Bombay
Shankar Dayal Sharma |  | 19 August 1918– 26 December 1999 | 1972– 74 | Calcutta
Dev Kant Baruah |  | 22 February 1914 – 1996 | 1975– 77 | Chandigarh
Indira Gandhi |  | 19 November 1917 – 31 October 1984 | 1978 – 83 | Delhi
Indira Gandhi |  | 19 November 1917 – 31 October 1984 | 1983-84 | Calcutta
Rajiv Gandhi |  | 20 August 1944 – 21 May 1991 | 1985-91 | Bombay
P. V. Narasimha Rao |  | 28 June 1921 – 23 December 2004 | 1992-96 | Tirupati
Sitaram Kesri |  | November 1919 – 24 October 2000 | 1997-98 | Calcutta
Sonia Gandhi |  | 9 December 1946– | 1998–present | Calcutta

Question: who is the previous president to henry cotton?
Answer: Lalmohan Ghosh

Question: which president is listed at the top of the chart?
Answer: Womesh Chunder Bonnerjee

Question: which location had the most conferences listed?
Answer: Calcutta

Question: who was the first president in the 1900's?
Answer: N. G. Chandavarkar

Question: how many presidents served more than one year?
Answer: 17

Question: who was the last president to serve consecutive years?
Answer: Sonia Gandhi

Question: where was the last conference held?
Answer: Calcutta

Question: which person has led the conference the most?
Answer: Jawaharlal Nehru

Question: womesh chunder has led the conference multiple times, name on other leader who has also.
Answer: Dadabhai Naoroji