How do you convert the sentence "George Washington was the first president." to a question? [duplicate]

Possible Duplicate:
How should I phrase a question that must be answered with an ordinal number (e.g., the third prime)?

How do you convert the sentence:

George Washington was the first president.

into a question, preferably one in the form:

****Missing Phrase**** president is George Washington?


If no equivalent sentence that is not awkward sounding exists, why is there no English equivalent for the word how-many-th?


What was George Washington's place in the sequence [order?] of U.S. presidents.