Table: swiss_crime_stats
Columns: year
total_convictions
homicide_art_111_112_113_116_stgb
serious_bodily_injury_art_122_stgb
minor_bodily_injury_art_123_stgb
sexual_contact_with_children_art_187_stgb
rape_art_190_stgb
theft_art_139_stgb
robbery_art_140_stgb
receiving_stolen_goods_art_160_stgb
embezzlement_art_138_stgb
fraud_art_146_stgb
narcotics_possession
major_violation_of_traffic_laws_art_90_svg
drunk_driving_art_91_abs_1_satz_2_svg

Question: What is the total number of Serious Bodily Injuries, that has Homicides less than 84?
SQL: SELECT COUNT("serious_bodily_injury_art_122_stgb") FROM swiss_crime_stats WHERE "homicide_art_111_112_113_116_stgb" < 84