user: Question: What company does Simon Stone direct earlier than 2011?
Columns: ['Year', 'Production', 'Role', 'Director', 'Company']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2013.0, 'Rosencrantz and Guildenstern Are Dead', 'The Player', 'Simon Philips', 'Sydney Theatre Company']
SQL:

assistant: SELECT "Company" FROM "Table" WHERE "Director" = 'Simon Stone' AND "Year" < 2011.0;