Complex sentence: Donna Martin Silver is a fictional character from the "Beverly Hills, 90210" franchise, portrayed by Tori Spelling from 1990 to 2000 and is slated to reprise her role in the new 90210 for a multi episode arc Spring 2009.
Split into simpler sentences: Donna Martin Silver is a fictional character from the "Beverly Hills, 90210" franchise, portrayed by Tori Spelling from 1990 to 2000. Donna is slated to reprise her role in 90210 for a multi episode arc Spring 2009.