user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: lehmann is one of the leaders of which wine producer? 
Knowledge Triplets: Angove 2007 Shiraz Cabernet, wine.wine.country, Australia
2005 Pepperjack Shiraz Voigner, wine.wine.country, Australia
Battle of Bosworth 2007 Cabernet Sauvignon, wine.wine.country, Australia
1988 Penfolds Grange, wine.wine.country, Australia
Bent Creek Nero Sparkling Shiraz 2003, wine.wine.country, Australia
Doug Lehmann, people.person.parents, Peter Lehmann
Plantagenet Omrah 2008 Unoaked Chardonnay, wine.wine.country, Australia
2001 Banrock Station South Eastern Australia Chardonnay, wine.wine.country, Australia
Peter Lehmann, people.person.employment_history, m.06b7hjd
Winemaker, people.profession.people_with_this_profession, Peter Lehmann
1999 Amberley Estate Margaret River Semillon, wine.wine.country, Australia
Yellow Tail Shiraz 2006, wine.wine.country, Australia
1995 Penfolds Grange, wine.wine.country, Australia
2003 Barossa Valley Estate Ebenezer Cabernet Sauvignon, wine.wine.country, Australia
Peter Lehmann Wines, wine.wine_producer.wines, 2008 Peter Lehmann Eden Valley Riesling
Peter Lehmann, people.person.gender, Male
2007 Wirra Wirra Church Block Cabernet Sauvignon-Shiraz-Merlot, wine.wine.country, Australia
2005 Barossa Valley Estate E Minor Cabernet Merlot, wine.wine.country, Australia
Kidney disease, people.cause_of_death.people, Peter Lehmann
m.0gdpc70, organization.leadership.person, Peter Lehmann
m.0jswm2w, dataworld.gardening_hint.last_referenced_by, Peter Lehmann
m.0gdpc70, organization.leadership.role, President
Peter Lehmann, people.person.place_of_birth, Angaston
Peter Lehmann, people.person.children, Doug Lehmann
Peter Lehmann, people.deceased_person.place_of_death, Adelaide
m.0gdpc70, organization.leadership.organization, Peter Lehmann Wines
2007 Barossa Valley Estate E Minor Chardonnay, wine.wine.country, Australia
2004 Barossa Valley Estate E&E Black Pepper Shiraz, wine.wine.country, Australia
2004 Richmond Grove Black Cat Shiraz, wine.wine.country, Australia
Peter Lehmann, people.deceased_person.date_of_death, 2013-06-28
Angoves Nine Vines Tempranillo Shiraz 2007, wine.wine.country, Australia
Peter Lehmann, people.person.profession, Winemaker
2004 Marquis Philips South Eastern Australia Cabernet Sauvignon, wine.wine.country, Australia
m.06b7d3b, business.employment_tenure.person, Peter Lehmann
1994 Ebenezer Barossa Valley Shiraz, wine.wine.country, Australia
Pepperjack Grenache Rose 2006, wine.wine.country, Australia
2005 Barossa Valley Estate E Minor Shiraz, wine.wine.country, Australia
Maker's Table 2008 Shiraz, wine.wine.country, Australia
m.0gdpc70, organization.leadership.from, 1977
2008 Marquis Philips Grenache, wine.wine.country, Australia
2007 Luchador Shiraz, wine.wine.country, Australia
Peter Lehmann, organization.organization_founder.organizations_founded, Peter Lehmann Wines
President, organization.role.leaders, m.0gdpc70
1981 Penfolds Grange, wine.wine.country, Australia
Bent Creek Sauvignon Blanc 2006, wine.wine.country, Australia
Peter Lehmann, people.person.employment_history, m.06b7d3b
Bent Creek Black Dog Shiraz 2005, wine.wine.country, Australia
2005 Pepperjack Cabernet Sauvignon, wine.wine.country, Australia
Geoff Merrill Corrabinnie 2005 Cabernet Sauvignon, wine.wine.country, Australia
1994 Penfolds Grange, wine.wine.country, Australia
Peter Lehmann, people.person.date_of_birth, 1930-08-18
m.06b7hjd, business.employment_tenure.person, Peter Lehmann
Angaston, location.location.people_born_here, Peter Lehmann
2005 Barossa Valley Estate E Bass Shiraz, wine.wine.country, Australia
2005 Kangarilla Road McLaren Vale Zinfandel, wine.wine.country, Australia
2000 Jim Barry, The McCrae Wood, Shiraz, wine.wine.country, Australia
2004 Barossa Valley Estate Ebenezer Shiraz, wine.wine.country, Australia
1992 Penfolds Grange, wine.wine.country, Australia
Peter Lehmann, people.deceased_person.cause_of_death, Kidney disease
Bent Creek Chardonnay 2005, wine.wine.country, Australia
Peter Lehmann, business.board_member.leader_of, m.0gdpc70
2004 Penfolds South Eastern Australia "Koonunga Hill" Shiraz, wine.wine.country, Australia
m.06b7d30, business.employment_tenure.person, Peter Lehmann
1971 Penfolds Grange, wine.wine.country, Australia
2007 Peter Lehmann Clancy's Barossa, wine.wine.country, Australia
Hardys Sir James Sparkling Shiraz NV, wine.wine.country, Australia
2008 Peter Lehmann Eden Valley Riesling, wine.wine.country, Australia
Bent Creek Cabernet Merlot 2004, wine.wine.country, Australia
Peter Lehmann Wines, organization.organization.leadership, m.0gdpc70
Penfolds 2007 Koonunga Hill Shiraz Cabernet, wine.wine.country, Australia
1990 Penfolds Grange, wine.wine.country, Australia
2007 Peter Lehmann Clancy's Barossa, wine.wine.wine_producer, Peter Lehmann Wines
2008 Wirra Wirra Church Block Cabernet Sauvignon-Shiraz-Merlot, wine.wine.country, Australia
2008 Peter Lehmann Eden Valley Riesling, wine.wine.wine_producer, Peter Lehmann Wines
2003 Barossa Valley Estate E&E Sparkling Shiraz, wine.wine.country, Australia
Malindi Estate 2008 Shiraz Grenache, wine.wine.country, Australia
1993 Penfolds Grange, wine.wine.country, Australia
Peter Lehmann Wines, organization.organization.founders, Peter Lehmann
2005 Pepperjack Shiraz, wine.wine.country, Australia
Bent Creek The Nude Shiraz 2003, wine.wine.country, Australia
Peter Lehmann Wines, wine.wine_producer.wines, 2007 Peter Lehmann Clancy's Barossa
1987 Penfolds Grange, wine.wine.country, Australia
2008 Rosemount Estate Cabernet Merlot, wine.wine.country, Australia
2008 Penfold's Rawson's Retreat Merlot, wine.wine.country, Australia
2001 Penfolds Grange, wine.wine.country, Australia
Peter Lehmann, people.person.employment_history, m.06b7d30
Pepperjack Shiraz Grenache Mourvédre 2005, wine.wine.country, Australia
Peter Lehmann, people.person.nationality, Australia

Answer: Peter Lehmann Wines