Question: What was the sample size for the poll from nov 9-11, 2007 with a margin of error less than 4.3?
SQL: SELECT MAX("Sample Size") FROM "2-16669773-1" WHERE "Date" = 'nov 9-11, 2007' AND "Margin of Error" < 4.3;

Question: What was the sample size for the poll featuring Republican Ron Paul?
SQL: SELECT "Sample Size" FROM "2-16669773-1" WHERE "Republican" = 'Ron Paul';