Table:
text: Ottawa municipal election, 2006
Poll results
Poll results
Polling_Firm Polling_Dates Bob_Chiarelli Alex_Munter Larry_O_Brien Terry_Kilrea_dropped_out
Decima 7–9 November 2006 11% 32% 37% —
UniMarketing 2–7 November 2006 20% 34% 25% —
Strategic Counsel 1–4 November 2006 17% 29% 27% —
Holinshed 31 October - 1 November 2006 22% 28% 24% —
UniMarketing 13 October 2006 - 18 October 2006 23% 31% 21% —
Holinshed 14 October 2006 – 15 October 2006 21% 30% 26% —
Leger Marketing 29 September 2006 – 8 October 2006 32%^ 37%^ 31%^ —
Holinshed 25 September 2006 – 27 September 2006 28.1% 27.5% 22.3% —
Decima 18 September 2006 – 25 September 2006 24% 25% 20% —

Question: What are the voting dates if Larry O'Brien has 37% for the 2006 Ottawa municipal election?