CREATE TABLE table_name_67 (laps VARCHAR2, time_retired VARCHAR2, driver VARCHAR2)

How many laps does jean-christophe boullion have with a time/retired of +1 lap?
SELECT laps FROM table_name_67 WHERE time_retired = "+1 lap" AND driver = "jean-christophe boullion"
SELECT "laps" FROM "table_name_67" WHERE "+1 lap" = "time_retired" AND "driver" = "jean-christophe boullion"