Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_19897294_8 (family_families VARCHAR, no_overall VARCHAR)
### Question:
Name the number of families for uk30
### Answer:
SELECT COUNT(family_families) FROM table_19897294_8 WHERE no_overall = "UK30"