Question: How much was the cost of in-county tuition per credit hour at the Gloucester College by the fall of 2009?
SQL: SELECT "In-county tuition per credit hour (fall 2009)" FROM "1-22308881-2" WHERE "College" = 'Gloucester';

Question: How much was the in-county tuition per credit hour at the Mercer College by the fall of 2009?
SQL: SELECT "In-county tuition per credit hour (fall 2009)" FROM "1-22308881-2" WHERE "College" = 'Mercer';

Question: What is the biggest number for county population 18 years+?
SQL: SELECT MAX("County population 18 yrs+") FROM "1-22308881-2";