user: Question: where democratic coalition is Eduardo Frei ( PDC ) what are all the alliance
Columns: ['Cons.', 'Democratic Coalition', 'Alliance', 'Together We Can Do More', 'Independent Regional Force', 'Independents']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2nd', '(R) Carmen Frei ( PDC )', '(R) Carlos Cantero ( RN )', 'Salvador Barrientos ( PC )', 'Luis Thompson (Ind.)', 'none']
SQL:

assistant: SELECT "Alliance" FROM "Table" WHERE "Democratic Coalition" = 'Eduardo Frei ( PDC )';