user: Question: Who was the Runner-up for the Bulgaria Open, before 2007?
Columns: ['Outcome', 'Year', 'Tournament', 'Opponent', 'Score']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Winner', 1997.0, 'Korea International', 'Yap Yong Jyen', '11–15, 15–11, 15–4']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Year" < 2007.0 AND "Outcome" = 'Runner-up' AND "Tournament" = 'Bulgaria Open';