CREATE TABLE table_42730 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What is the Date for the wgc-accenture match play championship?
SELECT "Date" FROM table_42730 WHERE "Tournament" = 'wgc-accenture match play championship'
SELECT "Date" FROM "table_42730" WHERE "Tournament" = 'wgc-accenture match play championship'