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 Lake and Peninsula area?
SELECT MAX(_number_s_dam_and_gnis_query_link) FROM table_17978052_2 WHERE borough_or_census_area = "Lake and Peninsula"
SELECT MAX("_number_s_dam_and_gnis_query_link") FROM "table_17978052_2" WHERE "Lake and Peninsula" = "borough_or_census_area"