user: Question: Which of V/Line Passenger's pre-conversions re-entered service on 23 November 1984?
Columns: ['Locomotive', 'Pre-conversion', 'Entered service (T)', 'Re-entered service (P)', 'Owner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['P11', 'T336', '9 May 1956', '5 June 1984', 'V/Line Passenger']
SQL:

assistant: SELECT "Pre-conversion" FROM "Table" WHERE "Owner" = 'V/Line Passenger' AND "Re-entered service (P)" = '23 November 1984';