CREATE TABLE table_64220 ("Event" CLOB, "Date" CLOB, "Location" CLOB, "Winning skip" CLOB, "Runner-up skip" CLOB)

What event did Patti Lank have the winning skip?
SELECT "Event" FROM table_64220 WHERE "Winning skip" = 'patti lank'
SELECT "Event" FROM "table_64220" WHERE "Winning skip" = 'patti lank'