Table schema:
CREATE TABLE table_name_6 (live_births_2006 INTEGER, county VARCHAR, tfr_2006 VARCHAR)

Question: In 2006, what is the highest number for Live births in the County of Cumbria that has a TFR larger than 1.76?
SQL: SELECT MAX(live_births_2006) FROM table_name_6 WHERE county = "cumbria" AND tfr_2006 > 1.76