Table: election_results_2008_nm
Columns: county
obama
obama_2
mccain
mccain_2
total

Question: How many percent of the votes in Debaca did McCain get?
SQL: SELECT "mccain" FROM election_results_2008_nm WHERE "county" = 'DeBaca'

Question: What percentage of the votes did Obama get in the county where 3909 people voted in total?
SQL: SELECT "obama" FROM election_results_2008_nm WHERE "total" = 3909

Question: What percentage of the votes did Obama get in the county where McCain got 3648 votes?
SQL: SELECT "obama" FROM election_results_2008_nm WHERE "mccain_2" = 3648