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_77 (democrat VARCHAR, poll_source VARCHAR, lead_margin VARCHAR)
### Question:
What was Democrat: Tom Harkin's percentage when the poll source was Rasmussen Reports and the lead margin was 14?
### Answer:
SELECT democrat AS :_tom_harkin FROM table_name_77 WHERE poll_source = "rasmussen reports" AND lead_margin = 14