Complex sentence: The film had the biggest opening of any Irish film in Ireland since 1996 earning over $650,000 from 87 theaters, making it the strongest drama debut since "Michael Collins" opened to $662,000 in November 1996.
Split into simpler sentences: The film had the biggest opening of any Irish film in Ireland since 1996 earning over $650,000 from 87 theaters. That's the best drama debut since "Michael Collins" opened to $662,000 in November 1996.