CREATE TABLE table_36925 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the margin of victory in the tournament with a winning score of 3 (74-68-72-71=285)?
SELECT "Margin of victory" FROM table_36925 WHERE "Winning score" = '−3 (74-68-72-71=285)'
SELECT "Margin of victory" FROM "table_36925" WHERE "Winning score" = '−3 (74-68-72-71=285)'