Table: rugby_6central
Columns: club
played
won
drawn
lost
points_for
points_against
tries_for
tries_against
try_bonus
losing_bonus
points

Question: Name the points for  pontrhydyfen rfc
SQL: SELECT "points" FROM rugby_6central WHERE "club" = 'Pontrhydyfen RFC'

Question: Name the try bonus and tries for 30
SQL: SELECT "try_bonus" FROM rugby_6central WHERE "tries_for" = '30'

Question: Name the points for where lost is 4
SQL: SELECT COUNT("points_for") FROM rugby_6central WHERE "lost" = '4'