Question: On what date did the event begin that had a Steam traction type and used the system named HSM (1883–1910) GT (1915–1922)?
SQL: SELECT "Date (From)" FROM "2-12562214-1" WHERE "Name of System" = 'HSM (1883–1910) GT (1915–1922)' AND "Traction Type" = 'Steam';

Question: On what date did the event at Zaltbommel begin?
SQL: SELECT "Date (From)" FROM "2-12562214-1" WHERE "Location" = 'Zaltbommel';

Question: At what location did the event that used Electric traction and system name ATM (1880–1911) GETA (1911–1944) occur?
SQL: SELECT "Location" FROM "2-12562214-1" WHERE "Name of System" = 'ATM (1880–1911) GETA (1911–1944)' AND "Traction Type" = 'Electric';