CREATE TABLE table_35177 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

When was the game before week 15 with the result of bye?
SELECT "Date" FROM table_35177 WHERE "Week" < '15' AND "Result" = 'bye'
SELECT "Date" FROM "table_35177" WHERE "Result" = 'bye' AND "Week" < '15'