user: Question: What is the gender of the Roman Catholic school is AL4?
Columns: ['School', 'Gender', 'Age Range', 'Religious Affiliation', 'Location', 'School website']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Beaumont School', 'Mixed', '11-18', 'Does not apply', 'AL4', 'http://www.beaumontschool.com/']
SQL:

assistant: SELECT "Gender" FROM "Table" WHERE "Religious Affiliation" = 'Roman Catholic' AND "Location" = 'AL4';