Conversation so far:
What was Gautam Gambhir's first job or career?
Gautam Gambhir was formerly a cricketer.
Is being a cricketer what Gautam Gambhir dreamed of doing?
Did Gautam Gambhir do well as a cricketer?
Gautam Gambhir was the only Indian and one of four international cricketers to have scored hundreds in five consecutive Test matches.
Did Gautam Gambhir continue after the 2018 season?
In December 2018, Gautam Gambhir announced his retirement from all forms of cricket.

Question: How many years did he play in this league?
Self-contained rewrite: How many years did Gautam Gambhir play in the Indian Premier League?