Conversation so far:
Who did Sue Townsend first marry?
Sue Townsend married Keith Townsend, a sheet metal worker on 25 April 1964; the couple had three children under five by the time Townsend was 23.
How long were Sue Townsend and Keith Townsend married?
In 1971 the marriage ended and Sue Townsend became a single parent.
What did Sue Townsend do for a job after becoming a single parent?
While employed as a supervisor at an adventure playground, Sue Townsend observed a man making canoes nearby and, because he was married, put off talking to him.
How did the man making canoes that Sue Townsend observed while employed as a supervisor at an adventure playground influence her?
It was a year before he asked Sue Townsend for a date.
What was the name of the man who asked Sue Townsend on a date?
It was at a canoeing course Sue Townsend met her future second husband, Colin Broadway, who was the father of her fourth child, Elizabeth.

Question: How old was she when they married?
Self-contained rewrite: How old was Sue Townsend when she married Colin Broadway?