Crossword puzzle clue "i don't know the question but is definitely the answer woody allen"

"I don't know the question, but ___ is definitely the answer": Woody Allen

Answer, when pointing to this answer, to the question "Which letters answer this clue?"

1977 Woody Allen movie where Woody played Alvy Singer: 2 wds.

1971 Woody Allen movie where Woody played Fielding Mellish

1979 Woody Allen movie where Woody played Isaac Davis

1973 Woody Allen movie where Woody played Miles Monroe

Old riddle: "What did Delaware?" Answer: "I don't know, but ___"

Goo Goo Dolls song that you probably know from the way John Rzeznik snarls "But you don't even know who I am"