So we try to see if we can find somebody who knows the answer to this question.

NPR: Political Junkie: Clinton, Lieberman and Holder

They are more likely to check with someone within the firm who knows the answer to your question before answering it.

FORBES: Pension Consultant Conflicts of Interests (April 1, 2002 )

The answer is, who knows, but the multiples are very tough on any kind of fundamentals.

FORBES: Facebook After the IPO

Stop looking for THE right answer and who knows what you might come up with!

FORBES: Did Cookie Monster Mislead Us?

The best answer I can give is, who knows?

BBC: The trainee

Trying to make appointments with people is sometimes impossible - "Call me tomorrow, who knows if we'll still be alive then" is often the answer.

BBC: NEWS | Middle East | Constitutional impasse in Lebanon