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_64202 ( "Years covered" text, "All bills sponsored" real, "All amendments sponsored" real, "All bills cosponsored" real, "All amendments cosponsored" real, "Bills originally cosponsored" real, "Amendments originally cosponsored" real )

### Question ###
What is the fewest amendments sponsored associated with 150 bills originally cosponsored and over 247 bills cosponsored?

### Accurate SQL ###

SELECT MIN("All amendments sponsored") FROM table_64202 WHERE "Bills originally cosponsored" = '150' AND "All bills cosponsored" > '247'