user: ### NOW ANSWER:
Question: Who were the runner(s)-up when the winning score was –10 (69-68-74-67=278)?
Columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Aug 28, 1982', 'Shootout at Jeremy Ranch', '–9 (74-71-69-65=279)', '1 stroke', 'Miller Barber , Don January']
SQL:

assistant: SELECT "Margin of victory" FROM "Table" WHERE "Winning score" = '–10 (69-68-74-67=278)';