Table: kfc_t20_big_bash
Columns: player
score
balls
opponent
ground

Question: What player has a score of 79?
SQL: SELECT "player" FROM kfc_t20_big_bash WHERE "score" = '79'

Question: Who played on waca ground and scored 79 points?
SQL: SELECT "opponent" FROM kfc_t20_big_bash WHERE "ground" = 'waca ground' AND "score" = '79'

Question: What player had 49 balls?
SQL: SELECT "player" FROM kfc_t20_big_bash WHERE "balls" = 49