Question: For the tournament played on Oct 17, 1982, what was the winning score?
SQL: SELECT "Winning score" FROM "2-1552405-3" WHERE "Date" = 'Oct 17, 1982';

Question: For the tournament played Nov 13, 1988, ending with a margin of victory of 5 strokes, who was the runner-up?
SQL: SELECT "Runner(s)-up" FROM "2-1552405-3" WHERE "Margin of victory" = '5 strokes' AND "Date" = 'Nov 13, 1988';

Question: On what date was the tournament played that eneded with a winning score of +6 (74-71-70-71=286) and margin of victory of 2 strokes, and with Arnold Palmer as the runner-up?
SQL: SELECT "Date" FROM "2-1552405-3" WHERE "Runner(s)-up" = 'Arnold Palmer' AND "Margin of victory" = '2 strokes' AND "Winning score" = '+6 (74-71-70-71=286)';