user: Question: What school is from 45 Lake county and is located in Merrillville?
Columns: ['School', 'Mascot', 'Location', 'Enrollment', 'IHSAA Class', 'IHSAA Football Class', 'County']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Chesterton', 'Trojans', 'Chesterton', 1986.0, 'AAAA', 'AAAAA', '64 Porter']
SQL:

assistant: SELECT "School" FROM "Table" WHERE "County" = '45 Lake' AND "Location" = 'Merrillville';