Question:
Which employer did Simon Gillham work for in Jul, 1999?

Context:
 Simon Gillham works for Havas from Jan, 2001 to Jan, 2007. 
 Simon Gillham works for Technicolor SA from Jan, 1991 to Jan, 1994. 
 Simon Gillham works for Vivendi from Jan, 2007 to Dec, 2022. 
 Simon Gillham works for Valeo from Jan, 1999 to Jan, 2001.

Answer:
Question:
Which employer did Simon Gillham work for in Jul, 1999?

Context:
 Simon Gillham works for Havas from Jan, 2001 to Jan, 2007. 
 Simon Gillham works for Technicolor SA from Jan, 1991 to Jan, 1994. 
 Simon Gillham works for Vivendi from Jan, 2007 to Dec, 2022. 
 Simon Gillham works for Valeo from Jan, 1999 to Jan, 2001.

Answer:
user
Valeo
assistant
Question:
Which employer did Simon Gillham work for in Jul, 1999?

Context:
 Simon Gillham works for Havas from Jan, 2001 to Jan, 2007. 
 Simon Gillham works for Technicolor SA from Jan, 1991 to Jan, 1994. 
 Simon Gillham works for Vivendi from Jan, 2007 to Dec, 2022. 
 Simon Gillham works for Valeo from Jan, 1999 to Jan, 2001.

Answer:
user
Havas
Technicolor SA
Vivendi
assistant
Question:
Which employer did Simon Gillham work for in Jul, 1999?

Context:
 Simon Gillham works for Havas from Jan, 2001 to Jan, 2007. 
 Simon Gillham works for Technicolor SA from Jan, 1991 to Jan, 1994. 
 Simon Gillham works for Vivendi from Jan, 2007 to Dec, 2022. 
 Simon Gillham works for Valeo from Jan, 1999 to Jan, 2001.

Answer:
user
Valeo
assistant