Given the task definition and input, reply with output. In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Passage: The Detroit Lions season was the franchise's 82nd season in the National Football League, their 78th as the Detroit Lions, the 10th playing its home games at Ford Field and the third year under head coach Jim Schwartz. With a regular season record of 106, the team improved on its 610 record from 2010, making it their third consecutive improved season. It was the Lions' first winning season since 2000 and first 10 win season since 1995. The Lions' 50 start was their best since 1956. With their win over the San Diego Chargers on December 24, the Lions clinched an NFC Wild Card spot in the postseason. After their loss to the Green Bay Packers in Week 17, it was determined the Lions would play the New Orleans Saints in one of the NFC Wild Card Games, which the Lions lost 4528. It was their first playoff berth since 1999.
Link Information: The season had an inauspicious beginning as future Hall of Fame running back Barry Sanders suddenly retired on the eve of training camp. Undaunted, coach Bobby Ross led the Lions to a fast start Question: Who was the head coach of the 1999 Detroit Lions?
Answer: Bobby Ross