user: Question: What artist shows 2007 and composer of Hayko?
Columns: ['Year', 'Song', 'Artist', 'Place', 'Points', 'Composer']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2002.0, '" Northern Girl "†1', 'Prime Minister', '10', '55', 'Kim Breitburg']
SQL:

assistant: SELECT "Artist" FROM "Table" WHERE "Year" = 2007.0 AND "Composer" = 'Hayko';