Table: volleyball_players
Columns: shirt_no
player
birth_date
weight
height

Question: Birth Date of 8 November 1980, and a Weight smaller than 93 has what sum of a shirt number?
SQL: SELECT SUM("shirt_no") FROM volleyball_players WHERE "birth_date" = '8 november 1980' AND "weight" < 93

Question: Shirt number of 18, and a Height larger than 195 has how much weight?
SQL: SELECT COUNT("weight") FROM volleyball_players WHERE "shirt_no" = 18 AND "height" > 195