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_34258 ( "Abbr." text, "Name" text, "Picture Coding Types" text, "Chroma Format" text, "Aspect Ratios" text, "Scalable modes" text, "Intra DC Precision" text )

### Question ###
What Chroma Format that has both Picture Coding Types of i, p, b, and the Name of main profile?

### Accurate SQL ###

SELECT "Chroma Format" FROM table_34258 WHERE "Picture Coding Types" = 'i, p, b' AND "Name" = 'main profile'