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_name_51 (co_champions INTEGER, records VARCHAR, pct VARCHAR, mrc_championships VARCHAR)
### Question:
What is the highest value for co-champions when the PCT is less than 0.786 and MRC championships is 6 with records of 88-45-6?
### Answer:
SELECT MAX(co_champions) FROM table_name_51 WHERE pct < 0.786 AND mrc_championships = 6 AND records = "88-45-6"