CREATE TABLE table_17978052_2 (_number_s_dam_and_gnis_query_link INT, borough_or_census_area VARCHAR)

How many dams are there in the Nome (CA) area?
SELECT MIN(_number_s_dam_and_gnis_query_link) FROM table_17978052_2 WHERE borough_or_census_area = "Nome (CA)"
SELECT MIN("_number_s_dam_and_gnis_query_link") FROM "table_17978052_2" WHERE "Nome (CA)" = "borough_or_census_area"