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_27003223_4 (registered_voters VARCHAR, d_r_spread VARCHAR)
### Question:
What is the percentage of registered voters in which the d-r spread is +10.4%?
### Answer:
SELECT registered_voters FROM table_27003223_4 WHERE d_r_spread = "+10.4%"