user: Question: what is the space where the next winner is Skee Riegel
Columns: ['Year', 'Championship', '54 holes', 'Winning score', 'Margin', 'Runner(s)-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1946.0, 'PGA Championship', 'n/a', '6 & 4', 'n/a', 'Ed Oliver']
SQL:

assistant: SELECT "Margin" FROM "Table" WHERE "Runner(s)-up" = 'Skee Riegel';