Table: science_uil_scores_3
Columns: school_year
class_a
class_aa
class_aaa
class_aaaa
class_aaaaa

Question: what AAAAA class has the school year of 1990-91?
SQL: SELECT "class_aaaaa" FROM science_uil_scores_3 WHERE "school_year" = '1990-91'

Question: what AAA class has a school year of 1989-90?
SQL: SELECT "class_aaa" FROM science_uil_scores_3 WHERE "school_year" = '1989-90'

Question: What school year has a AAAA class of college station a&m consolidated?
SQL: SELECT "school_year" FROM science_uil_scores_3 WHERE "class_aaaa" = 'college station a&m consolidated'

Question: what AA class has a AAA class of commerce?
SQL: SELECT "class_aa" FROM science_uil_scores_3 WHERE "class_aaa" = 'commerce'