CREATE TABLE table_64462 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Location/Attendance" TEXT, "Record" TEXT)

What was the date of the game when the record was 46-31?
SELECT "Date" FROM table_64462 WHERE "Record" = '46-31'
SELECT "Date" FROM "table_64462" WHERE "Record" = '46-31'