Table schema:
CREATE TABLE table_name_16 (pre_conversion VARCHAR, owner VARCHAR, re_entered_service__p_ VARCHAR)

Question: Which of V/Line Passenger's pre-conversions re-entered service on 23 November 1984?
SQL: SELECT pre_conversion FROM table_name_16 WHERE owner = "v/line passenger" AND re_entered_service__p_ = "23 november 1984"