Table: gubernatorial_polls_2008_5
Columns: poll_source
dates_administered
democrat_beverly_perdue
republican_pat_mccrory
libertarian_michael_munger
lead_margin

Question: What is the % for Munger when McCrory has 40% and the lead margin is greater than 3?
SQL: SELECT "libertarian_michael_munger" FROM gubernatorial_polls_2008_5 WHERE "republican_pat_mccrory" = '40%' AND "lead_margin" > 3

Question: What is the percentage of Perdue when McCrory has 37% and Munger has 6%?
SQL: SELECT "democrat_beverly_perdue" FROM gubernatorial_polls_2008_5 WHERE "republican_pat_mccrory" = '37%' AND "libertarian_michael_munger" = '6%'

Question: What is the lead margin for McCrory when he has 49%?
SQL: SELECT "lead_margin" FROM gubernatorial_polls_2008_5 WHERE "republican_pat_mccrory" = '49%'