Table: netherlands_trams_2
Columns: name_of_system
location
traction_type
date_from
date_to

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 netherlands_trams_2 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 netherlands_trams_2 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 netherlands_trams_2 WHERE "name_of_system" = 'atm (1880–1911) geta (1911–1944)' AND "traction_type" = 'electric'