Question:
Which position did Peter Griffiths hold in Apr, 1986?

Context:
 Peter Griffiths holds the position of Member of the 51st Parliament of the United Kingdom from Apr, 1992 to Apr, 1997. 
 Peter Griffiths holds the position of Member of the 49th Parliament of the United Kingdom from Jun, 1983 to May, 1987. 
 Peter Griffiths holds the position of Member of the 50th Parliament of the United Kingdom from Jun, 1987 to Mar, 1992. 
 Peter Griffiths holds the position of Member of the 43rd Parliament of the United Kingdom from Oct, 1964 to Mar, 1966. 
 Peter Griffiths holds the position of Member of the 48th Parliament of the United Kingdom from May, 1979 to May, 1983.

Answer:
Member of the 49th Parliament of the United Kingdom