Table:
text: Duneland Athletic Conference
Current members
Current members
School Location_ Mascot County Enrollment_08_09 IHSAA_Class IHSAA_Class_Football Year_Joined Previous_Conference
Chesterton Chesterton Trojans 64 Porter 1921 4A 6A 1970 Calumet
Crown Point Crown Point Bulldogs 45 Lake 2426 4A 6A 1993 Lake Suburban
Lake Central Saint John Indians 45 Lake 3141 4A 6A 2003 Independents
LaPorte LaPorte Slicers 46 LaPorte 1956 4A 5A 1976 Northern Indiana
Merrillville Merrillville Pirates 45 Lake 2241 4A 6A 1975 Lake Suburban
Michigan City Michigan City Wolves 46 LaPorte 1919 4A 5A 1995 none (new school)
Portage Portage Indians 64 Porter 2618 4A 6A 1970 Calumet
Valparaiso Valparaiso Vikings 64 Porter 2072 4A 6A 1970 Independents

Question: In which county is the school of Merrillville located under the Duneland Athletic Conference?

Question: Which school was Portage in the Duneland Athletic Conference before?

Question: What is the name of the Duneland Athletic Conference school in Valparaiso?