Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_35 (sample_size VARCHAR, date VARCHAR, democrat VARCHAR)
### Question:
What was the sample size for polling on May 2-7, 2007 for Hillary Clinton?
### Answer:
SELECT sample_size FROM table_name_35 WHERE date = "may 2-7, 2007" AND democrat = "hillary clinton"