Question: Who with the birthday of October 3, 1978 was signed to Bayern before the start of the 114th season that the club claimed the Treble?
Sentence (from "2012–13 FC Bayern Munich season"): Before the start of the season, Bayern signed Xherdan Shaqiri, Dante, Claudio Pizarro, Mitchell Weiser, Tom Starke and Mario Mandžukić.
Relevant evidence: Yes