user: Question: Which week did the Baltimore Ravens play at home ?
Columns: ['Week', 'Date', 'Visiting Team', 'Final Score', 'Host Team']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'September 13', 'Chicago Bears', '10–23', 'Green Bay Packers']
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Host Team" = 'Baltimore Ravens';