Table: nj_2008_dem_primary
Columns: county
precincts
e_greenberg
g_hager
t_wyka

Question: Who many votes did E. Greenberg receive in Morris County?
SQL: SELECT COUNT("e_greenberg") FROM nj_2008_dem_primary WHERE "county" = 'Morris'

Question: How many precincts are in the county where G. Hager received 19 (20%) votes?
SQL: SELECT "precincts" FROM nj_2008_dem_primary WHERE "g_hager" = '19 (20%)'