Question: Name the minimum number of reservoir for gnis query link where numbers lake gnis query link being 60
Schema: create table table_18760137_2 (_number_s_reservoir_and_gnis_query_link integer, _number_s_lake_and_gnis_query_link varchar, PRIMARY KEY (_number_s_reservoir_and_gnis_query_link))
SQL: select min(_number_s_reservoir_and_gnis_query_link) from table_18760137_2 where _number_s_lake_and_gnis_query_link = 60