Question: Which financial institution, Laurentian Bank of Canada or Investec, has more listings on the London Stock Exchange and the Johannesburg Stock Exchange?
{'answer': 'Investec', 'supporting_facts': [['Laurentian Bank of Canada', 0], ['Laurentian Bank of Canada', 1], ['Laurentian Bank of Canada', 2], ['Laurentian Bank of Canada', 3], ['Laurentian Bank of Canada', 4], ['Investec', 2]]}