user: Question: What is the Nord in 1952, when Tennis Borussia Berlin was Berlin?
Columns: ['Year', 'Nord', 'West', 'Südwest', 'Berlin']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1946.0, '–', '–', '1. FC Saarbrücken', 'SG Wilmersdorf']
SQL:

assistant: SELECT "Nord" FROM "Table" WHERE "Berlin" = 'Tennis Borussia Berlin' AND "Year" = 1952.0;