Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_49438 ( "Borough" text, "1970" real, "1980" real, "1990" real, "2000" real, "2006" real )

### Question ###
What was the percentage in 1980 that had less than 37.8% in 2006, more than 29.4% in 2000, and more than 18.2% in 1970?

### Accurate SQL ###

SELECT MIN("1980") FROM table_49438 WHERE "2006" < '37.8' AND "2000" > '29.4' AND "1970" > '18.2'