Complex sentence: They were 50th on Bravo's 100 Greatest TV Characters 2004 list, and in February 2007 Sam and Diane were number one on IGN's Top 10 Favorite TV Couples list.
Split into simpler sentences: They were 50th on Bravo's 100 Greatest TV Characters 2004 list. In February 2007, Sam and Diane were number one on IGN's Top 10 Favorite TV Couples list.