user: Question: What is the average year in which Kim was Nominated for Thirst as Best Actress at the Baeksang Arts Awards?
Columns: ['Year', 'Group', 'Award', 'Film/Series', 'Result']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2005.0, 'Blue Dragon Film Awards', 'Best New Actress', 'Voice', 'Nominated']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Result" = 'Nominated' AND "Film/Series" = 'Thirst' AND "Award" = 'Best Actress' AND "Group" = 'Baeksang Arts Awards';