Table: senneville_linguistic_trends
Columns: mother_tongue
population_2006
percentage_2006
population_2011
percentage_2011

Question: How many percentages (2006) are there for the population whose mother tongue is French?
SQL: SELECT COUNT("percentage_2006") FROM senneville_linguistic_trends WHERE "mother_tongue" = 'French'

Question: What was the minimum population in 2011?
SQL: SELECT MIN("population_2011") FROM senneville_linguistic_trends

Question: What was the percentage in 2006 whose natives is Polish?
SQL: SELECT "percentage_2006" FROM senneville_linguistic_trends WHERE "mother_tongue" = 'Polish'