CREATE TABLE table_41829 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner-up" CLOB)

What was the margin of victory on Mar 18, 1979?
SELECT "Margin of victory" FROM table_41829 WHERE "Date" = 'mar 18, 1979'
SELECT "Margin of victory" FROM "table_41829" WHERE "Date" = 'mar 18, 1979'