Table:
text: Demographics of Brunei
Registered births and deaths
Registered births and deaths
Average_population_x_1000 Live_births Deaths Natural_change Crude_birth_rate_per_1000 Crude_death_rate_per_1000 Natural_change_per_1000
213 6 330 768 5 562 29.7 3.6 26.1
219 6 682 794 5 888 30.5 3.6 26.9
225 6 920 723 6 197 30.7 3.2 27.5
232 7 088 765 6 323 30.6 3.3 27.3
238 6 881 777 6 104 28.9 3.3 25.6
245 6 926 827 6 099 28.3 3.4 24.9
252 7 011 770 6 241 27.8 3.1 24.8
259 7 106 852 6 254 27.4 3.3 24.1
267 7 290 887 6 403 27.3 3.3 24.0
274 7 314 1 018 6 296 26.7 3.7 22.9
282 7 400 1 000 6 400 26.2 3.5 22.7

Question: What crude death rate (per 1000) has deaths of 768 and a crude birth rate (per 1000) less than 29.7 in Demographics of Brunei ?