user: Question: Name the last title for Greater Buenos Aires and first season of 1920
Columns: ['Club', 'District', 'Area/Province', 'Stadium', 'First Season', 'Last Title']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['All Boys', 'Floresta', 'Buenos Aires', 'Islas Malvinas', '1923', '(None)']
SQL:

assistant: SELECT "Last Title" FROM "Table" WHERE "Area/Province" = 'Greater Buenos Aires' AND "First Season" = '1920';