Conversation so far:
what part did Ron Paul play in legislation?
Ron Paul served as the U.S. Representative for Texas's 22nd congressional district from 1976 to 1977 and 1979 to 1985, and for Texas's 14th congressional district from 1997 to 2013.
Did Ron Paul sponsor any bills?
Ron Paul had sponsored through December 2011 620 bills.
Please give me interesting information from the Ron Paul article.
Of the 620 bills that Ron Paul had sponsored through December 2011, over a period of more than 22 years in Congress, only one had been signed into law.

Question: what party did he serve under?
Self-contained rewrite: what party did Ron Paul serve under?