Possible Clues:

• Washington state capital
• There were games there, not in London
• West London exhibition centre
• Games venue for the Countess of Holland
• Greek scene of historic games
• Is game to be found there, even in London?
• West London exhibition venue — Washington state capital
• Plain — site of the original Games
• Capital of the northwest U.S.
• State capital with just 42,000 people