CREATE TABLE table_name_16 (democrat VARCHAR2, sample_size VARCHAR2, republican VARCHAR2)

Which Democrat was selected in the poll with a sample size smaller than 516 where the Republican chosen was Ron Paul?
SELECT democrat FROM table_name_16 WHERE sample_size < 516 AND republican = "ron paul"
SELECT "democrat" FROM "table_name_16" WHERE "republican" = "ron paul" AND "sample_size" < 516