Teacher:Generate a correct and concise answer for the question based on the words in the context.
Teacher: Now, understand the problem? Solve this instance: Context : Gomm had started in around 1962/1963 in Unit 4, formed by Ian Gomm on rhythm and lead guitar, vocals, Martin Davis on bass and Simon Behar on drums, who were all pupils at Ealing County School for Boys.
Question : Which musical instrument was played by Ian Gomm?
Student:
guitar