How many people lived in the district whose headquarters is in Bhubaneswar in 2001?
CREATE TABLE table_3955 (
    "Code" text,
    "District" text,
    "Headquarters" text,
    "Population (2001 Census)" real,
    "Population (2011 Census)" real,
    "Area (km\u00b2)" real,
    "Density in 2011 (/km\u00b2)" text
)
SELECT "Population (2001 Census)" FROM table_3955 WHERE "Headquarters" = 'Bhubaneswar'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many people lived in the district whose headquarters is in Bhubaneswar in 2001? ### Input: CREATE TABLE table_3955 (
    "Code" text,
    "District" text,
    "Headquarters" text,
    "Population (2001 Census)" real,
    "Population (2011 Census)" real,
    "Area (km\u00b2)" real,
    "Density in 2011 (/km\u00b2)" text
) ### Response: SELECT "Population (2001 Census)" FROM table_3955 WHERE "Headquarters" = 'Bhubaneswar'