Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_69 (chroma_format VARCHAR, picture_coding_types VARCHAR, name VARCHAR)
### Question:
What Chroma Format that has both Picture Coding Types of i, p, b, and the Name of main profile?
### Answer:
SELECT chroma_format FROM table_name_69 WHERE picture_coding_types = "i, p, b" AND name = "main profile"