user: Question: What was the winning score of the Vernal Ladies tournament?
Columns: ['No.', 'Date', 'Tournament', 'Winning score', 'To par', 'Margin of victory', 'Runner(s)-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '28 Sep 2003', 'Miyagi TV Cup Dunlop Ladies Open (as an amateur )', '70-70-71=211', '–5', '1 stroke', 'Mari Katayama Hiroko Yamaguchi']
SQL:

assistant: SELECT "Winning score" FROM "Table" WHERE "Tournament" = 'Vernal Ladies';