CREATE TABLE table_18973 ("High School" CLOB, "Location" CLOB, "Founded" FLOAT, "Affiliation" CLOB, "Enrollment" FLOAT, "Nickname" CLOB, "Division" CLOB)

Which location has a team that is nicknamed the Vikings?
SELECT "Location" FROM table_18973 WHERE "Nickname" = 'Vikings'
SELECT "Location" FROM "table_18973" WHERE "Nickname" = 'Vikings'