What poll source administered their poll on June 14-16, 2010?
CREATE TABLE table_2217 (
    "Poll source" text,
    "Dates administered" text,
    "Tom Emmer (R)" text,
    "Matt Entenza (DFL)" text,
    "Tom Horner (I)" text,
    "Undecided" text,
    "Sampling error" text
)
SELECT "Poll source" FROM table_2217 WHERE "Dates administered" = 'June 14-16, 2010'
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: What poll source administered their poll on June 14-16, 2010? ### Input: CREATE TABLE table_2217 (
    "Poll source" text,
    "Dates administered" text,
    "Tom Emmer (R)" text,
    "Matt Entenza (DFL)" text,
    "Tom Horner (I)" text,
    "Undecided" text,
    "Sampling error" text
) ### Response: SELECT "Poll source" FROM table_2217 WHERE "Dates administered" = 'June 14-16, 2010'