user: Question: What is the opening day of the week of Chennai Express, which had an opening day net gross larger than 147600000 in 2013?
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 "Day of Week" FROM "Table" WHERE "Opening Day Net Gross" > 147600000.0 AND "Year" = 2013.0 AND "Movie" = 'Chennai Express';