Conversation so far:
What is ES Setif?
Entente Sportive Sétifienne, known as Entente de Sétif, commonly referred to as ES Sétif or ESS for short, is an Algerian professional football club based in Sétif.

Question: When did he become the number one goal keeper?
Self-contained rewrite: When did Faouzi Chaouchi become the number one goal keeper?