Table: episodes_table_10
Columns: total
series
title
writer
director
original_air_date

Question: What is the highest total number?
SQL: SELECT MAX("total") FROM episodes_table_10

Question: How many of the episodes have Roger Goldby as the director?
SQL: SELECT "total" FROM episodes_table_10 WHERE "director" = 'Roger Goldby'

Question: Which episodes have Patrick Lau as the director and Lisa Holdsworth as the writer?
SQL: SELECT "title" FROM episodes_table_10 WHERE "director" = 'Patrick Lau' AND "writer" = 'Lisa Holdsworth'