CREATE TABLE table_name_8 (mpg_uk_urban__cold_ VARCHAR2, l_100km_urban__cold_ VARCHAR2, engine_capacity VARCHAR2, fuel_type VARCHAR2, mpg_uk_extra_urban VARCHAR2)

What is the mpg-UK urban (cold) for a fuel type of diesel, extraurban MPG in the UK over 68.9, engine capacity of 1422, and L/100km urban (cold) over 5.1?
SELECT mpg_uk_urban__cold_ FROM table_name_8 WHERE fuel_type = "diesel" AND mpg_uk_extra_urban > 68.9 AND engine_capacity = 1422 AND l_100km_urban__cold_ > 5.1
SELECT "mpg_uk_urban__cold_" FROM "table_name_8" WHERE "diesel" = "fuel_type" AND "engine_capacity" = 1422 AND "l_100km_urban__cold_" > 5.1 AND "mpg_uk_extra_urban" > 68.9