How many entries for start of stage occur in the year 2006?
CREATE TABLE table_3794 (
    "Year" text,
    "Stage" real,
    "Start of stage" text,
    "Distance (km)" text,
    "Category of climb" text,
    "Stage winner" text,
    "Nationality" text,
    "Yellow jersey" text,
    "Bend" real
)
SELECT COUNT("Start of stage") FROM table_3794 WHERE "Year" = '2006'
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 entries for start of stage occur in the year 2006? ### Input: CREATE TABLE table_3794 (
    "Year" text,
    "Stage" real,
    "Start of stage" text,
    "Distance (km)" text,
    "Category of climb" text,
    "Stage winner" text,
    "Nationality" text,
    "Yellow jersey" text,
    "Bend" real
) ### Response: SELECT COUNT("Start of stage") FROM table_3794 WHERE "Year" = '2006'