Complex sentence: She holds a Guinness World Record for acting more than 1000 number of films, a feat she achieved in 1985 and later by 2015, she had acted in more than 1500 films.
Split into simpler sentences: She holds a Guinness World Record for acting in more than 1000 number of films, a feat she achieved in 1985. By 2015, she had acted in more than 1500 films.