Table: germanic_strong_verbs
Columns: class
part_1
part_2
part_3
part_4

Question: What was part 4 when part 3 was *hleupun?
SQL: SELECT "part_4" FROM germanic_strong_verbs WHERE "part_3" = '*hleupun'

Question: What was the class when part 2 was *hēt?
SQL: SELECT "class" FROM germanic_strong_verbs WHERE "part_2" = '*hēt'

Question: What was the class when part 4 was *rādanaz?
SQL: SELECT "class" FROM germanic_strong_verbs WHERE "part_4" = '*rādanaz'

Question: What was part 2 when part 4 was *blōtanaz?
SQL: SELECT "part_2" FROM germanic_strong_verbs WHERE "part_4" = '*blōtanaz'

Question: What was part 2 when part 4 was *haldanaz?
SQL: SELECT "part_2" FROM germanic_strong_verbs WHERE "part_4" = '*haldanaz'

Question: What was the class when part 3 was *heldun?
SQL: SELECT "class" FROM germanic_strong_verbs WHERE "part_3" = '*heldun'