How many letter G tiles are there in a scrabble game?

There are three (3) tiles bearing the letter 'G' with assigned value of two (2) points for each tile in standard Scrabble. In the standard English edition, there are three Gs. In Super Scrabble, there are 5 Gs. Other languages have different distributions. See this wikipedia article for distribution information in other languages: http://en.wikipedia.org/wiki/Scrabble_letter_distributions