Table: georgia_2008_senate_polls
Columns: source
date
cardwell
jones
knight
lanier
martin

Question: What source has a Knight of 2%?
SQL: SELECT "source" FROM georgia_2008_senate_polls WHERE "knight" = '2%'

Question: What Lanier has a Cardwell of 20%?
SQL: SELECT "lanier" FROM georgia_2008_senate_polls WHERE "cardwell" = '20%'

Question: What martin is on july 8–9, 2008?
SQL: SELECT "martin" FROM georgia_2008_senate_polls WHERE "date" = 'july 8–9, 2008'

Question: What source has a cardwell of 20%?
SQL: SELECT "source" FROM georgia_2008_senate_polls WHERE "cardwell" = '20%'

Question: What martin has a lanier of 6%?
SQL: SELECT "martin" FROM georgia_2008_senate_polls WHERE "lanier" = '6%'

Question: What cardwell has an insider advantage and a knight of 1%
SQL: SELECT "cardwell" FROM georgia_2008_senate_polls WHERE "source" = 'insider advantage' AND "knight" = '1%'