Table: election_polls_2008_2
Columns: poll_source
date_administered
democrat
republican
lead_margin

Question: Which Lead Margin has a Poll Source of rasmussen reports/ fox news?
SQL: SELECT MIN("lead_margin") FROM election_polls_2008_2 WHERE "poll_source" = 'rasmussen reports/ fox news'

Question: Which Poll Source has a Date administered of october 30 – november 2, 2008?
SQL: SELECT "poll_source" FROM election_polls_2008_2 WHERE "date_administered" = 'october 30 – november 2, 2008'