CREATE TABLE table_4383 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

When did the w 20-19 happen?
SELECT "Date" FROM table_4383 WHERE "Result" = 'w 20-19'
SELECT "Date" FROM "table_4383" WHERE "Result" = 'w 20-19'