Conversation so far:
What is Biograph Studios?
Biograph Studios was an early film studio and laboratory complex, built in 1912 by the Biograph Company
Did Florence Lawrence get the part with biograph studios?
D.W. Griffith offered Florence Lawrence a job, acting only in for $25 a week.
What was the name of the film D.W. Griffith offered Florence Lawrence a job, acting only in for $25 a week?
The Girl and the Outlaw
Was the film D.W. Griffith offered Florence Lawrence a job, acting only in for $25 a week The girl and the outlaw  a success?
After her success in this role, Florence Lawrence appeared as a society belle in Betrayed by a Handprint.

Question: How many films was she in with Biograph Studios?
Self-contained rewrite: How many films was Florence Lawrence in with Biograph Studios besides The Girl and the Outlaw and Betrayed by a handprint?