question: Who was the Class AA winner when Plains was Class A winner and Lubbock was Class AAAAA winner?
answer: SELECT class_aA FROM table_14603057_2 WHERE class_a = "Plains" AND class_aAAAA = Lubbock
context: CREATE TABLE table_14603057_2 (class_aA VARCHAR, class_a VARCHAR, class_aAAAA VARCHAR, Lubbock VARCHAR)