context: David Eric “Dave” Grohl (born January 14, 1969 in Warren, Ohio) [1] is an American rock musician, singer-songwriter, producer and film director. In the 1980s, Grohl was at least a member of Freak Baby, Mission Impossible and Scream. When the popular grunge band Nirvana's drummer Chad Channing was removed from the band in 1990, Grohl replaced him. Grohl was the drummer of Nirvana until the band broke up in 1994 after Kurt Cobain committed suicide. In the same year Grohl worked on his solo project, which later evolved into Foo Fighters [2].
question: What instrument did Dave Grohl play in Nirvana?
answers.text: drummer