Table: election_2009_bulgaria
Columns: source
date
gerb
attack
blue_coalition

Question: On what Date is the Blue Coalition 8,80%?
SQL: SELECT "date" FROM election_2009_bulgaria WHERE "blue_coalition" = '8,80%'

Question: What Source has an Attack of 9,77%?
SQL: SELECT "source" FROM election_2009_bulgaria WHERE "attack" = '9,77%'

Question: What Attack has a Source of NCIOM?
SQL: SELECT "attack" FROM election_2009_bulgaria WHERE "source" = 'nciom'

Question: What Attack has a 30,00% GERB?
SQL: SELECT "attack" FROM election_2009_bulgaria WHERE "gerb" = '30,00%'

Question: What GERB has an 11% Attack?
SQL: SELECT "gerb" FROM election_2009_bulgaria WHERE "attack" = '11%'