user: Question: What is the opening day net gross a reliance entertainment movie before 2011 had?
Columns: ['Rank', 'Movie', 'Year', 'Studio(s)', 'Opening Day Net Gross', 'Day of Week']
Types: ['real', 'text', 'real', 'text', 'real', 'text']
Sample row: [1.0, 'Chennai Express', 2013.0, 'Red Chillies Entertainment', 331200000.0, 'Friday']
SQL:

assistant: SELECT "Opening Day Net Gross" FROM "Table" WHERE "Studio(s)" = 'reliance entertainment' AND "Year" < 2011.0;