user: Question: What is the note result when the runner finished 19th in 2008?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Event', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2008.0, 'Olympic Games', 'Beijing , PR China', '37th', '20km', '1:26:53']
SQL:

assistant: SELECT "Notes" FROM "Table" WHERE "Year" = 2008.0 AND "Position" = '19th';