CREATE TABLE table_41646 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

In what tournament was the winning score 10 (68-71-69-70=278)?
SELECT "Tournament" FROM table_41646 WHERE "Winning score" = '–10 (68-71-69-70=278)'
SELECT "Tournament" FROM "table_41646" WHERE "Winning score" = '–10 (68-71-69-70=278)'