Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Mine | Province | Coordinates | Town | Dates | Comments |
| --- | --- | --- | --- | --- | --- |
| Barton Mine* | Ontario | 47°07′08.75″N 79°47′09.58″W﻿ / ﻿47.1190972°N 79.7859944°W | Temagami | 1906-1918 | Secondary products included gold, silver, copper and bismuth. |
| Beanland Mine | Ontario | 47°05′28.71″N 79°49′30.83″W﻿ / ﻿47.0913083°N 79.8252306°W | Temagami | 1937-1938 | Also produced silver |
| Big Dan Mine | Ontario | 47°05′28.53″N 79°46′28.95″W﻿ / ﻿47.0912583°N 79.7747083°W | Temagami | 1906-1907 | Also produced silver and arsenic |
| Copperfields Mine* | Ontario | 46°57′44.41″N 80°02′13.67″W﻿ / ﻿46.9623361°N 80.0371306°W | Temagami | 1954-1972 | Secondary products included cobalt, gold, nickel, palladium, platinum and silver. |
| Dome Mine | Ontario |  | Timmins |  |  |
| Golden Giant Mine | Ontario |  | Hemlo | 1985-2006 |  |
| Hermiston-McCauley Mine | Ontario | 47°05′54.30″N 79°49′38.18″W﻿ / ﻿47.0984167°N 79.8272722°W | Temagami | 1935-1940 |  |
| Kanichee Mine* | Ontario | 47°06′13.07″N 79°50′38.63″W﻿ / ﻿47.1036306°N 79.8440639°W | Temagami | 1937-1948, 1948-1949, 1973-1976 | Secondary products included gold, palladium, silver and platinum. |
| Leckie Mine | Ontario | 47°05′36.34″N 79°47′48.68″W﻿ / ﻿47.0934278°N 79.7968556°W | Temagami | ~1900-1909, 1933-1937 | Also produced arsenic, copper and silver |
| McIntyre Mines | Ontario |  |  |  |  |
| Norrie Mine* | Ontario | 47°06′59.59″N 79°46′27.63″W﻿ / ﻿47.1165528°N 79.7743417°W | Temagami | Prior to 1920 | Secondary products included lead, gold, zinc and silver. |
| Northland Pyrite Mine* | Ontario | 47°10′26.24″N 79°44′34.45″W﻿ / ﻿47.1739556°N 79.7429028°W | Temagami | 1906-1911 | Secondary products included cobalt, copper, zinc, gold and nickel. |
| Red Lake Mine | Ontario |  | Red Lake |  |  |
| Temagami-Lorrain Mine | Ontario | 47°06′39.79″N 79°40′58.2″W﻿ / ﻿47.1110528°N 79.682833°W | Temagami | Prior to 1912 | Also produced cobalt, arsenic, silver, nickel and copper |
Question:
tell me the number of mines that also produced arsenic.
Answer:
3