CREATE TABLE table_name_89 (u15_3rd_quad VARCHAR, u15_2nd_quad VARCHAR)

What U15 3rd Quad has a U15 2nd Quad of ACGS?
SELECT u15_3rd_quad FROM table_name_89 WHERE u15_2nd_quad = "acgs"
SELECT "u15_3rd_quad" FROM "table_name_89" WHERE "acgs" = "u15_2nd_quad"