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_23801721_1 (rank INTEGER, technology VARCHAR)
### Question:
What was the rank of operator whose technology is CDMA EVDO?
### Answer:
SELECT MIN(rank) FROM table_23801721_1 WHERE technology = "CDMA EVDO"