user: Question: What is the winning score for the B.C. Open 1 tournament?
Columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['May 1, 1992', 'Shell Houston Open', '–16 (68-72-62-70=272)', '2 strokes', 'Kirk Triplett']
SQL:

assistant: SELECT "Winning score" FROM "Table" WHERE "Tournament" = 'B.C. Open 1';