Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_45520 ( "Poll Source" text, "Dates administered" text, "Democrat: Tom Harkin" text, "Republican: Christopher Reed" text, "Lead Margin" real )

### Question ###
What percentage did Republish Christopher Reed receive when the lead margin was smaller than 16?

### Accurate SQL ###

SELECT "Republican: Christopher Reed" FROM table_45520 WHERE "Lead Margin" < '16'