Table schema:
CREATE TABLE table_name_22 (date VARCHAR, uci_rating VARCHAR, race_name VARCHAR)

Question: What is the date of the omloop van de vlaamse scheldeboorden race with a UCI rating of 1.1?
SQL: SELECT date FROM table_name_22 WHERE uci_rating = "1.1" AND race_name = "omloop van de vlaamse scheldeboorden"