Question:
Which position did Gordon Wilson hold in Jul, 1975?

Context:
 Gordon Wilson holds the position of Member of the 46th Parliament of the United Kingdom from Feb, 1974 to Sep, 1974. 
 Gordon Wilson holds the position of Member of the 48th Parliament of the United Kingdom from May, 1979 to May, 1983. 
 Gordon Wilson holds the position of Member of the 49th Parliament of the United Kingdom from Jun, 1983 to May, 1987. 
 Gordon Wilson holds the position of Member of the 47th Parliament of the United Kingdom from Oct, 1974 to Apr, 1979.

Answer:
Member of the 47th Parliament of the United Kingdom