user: Question: Which Attendance has an Opponent of at los angeles rams, and a Week larger than 12?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 18, 1977', 'San Diego Chargers', 'W 24-0', 51022.0]
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Opponent" = 'at los angeles rams' AND "Week" > 12.0;