user: Question: Which show returns April 3 with a Previous Network of Lifetime?
Columns: ['Show', 'Last Aired', 'Previous Network', 'Retitled as/Same', 'New/Returning/Same Network', 'Returning']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Twenty One', 1958.0, 'CBS', 'Same', 'NBC', 'January 9']
SQL:

assistant: SELECT "Retitled as/Same" FROM "Table" WHERE "Returning" = 'April 3' AND "Previous Network" = 'Lifetime';